小学数学四年级下口算100题 小学数学四年级下册口算100题
\u5c0f\u5b66\u6570\u5b66\u56db\u5e74\u7ea7\u4e0b\u53e3\u7b97100\u989825 -15 -80 = 10 -80 = -70
26 -6 -64 = 20 -64 = -44
27 + 3 -48 = 30 -48 = -18
28 + 12 -32 = 40 -32 = 8
29 + 21 -16 = 50 -16 = 34
30 + 30 + 0 = 60 + 0 = 60
31 + 39 + 16 = 70 + 16 = 86
32 + 48 + 32 = 80 + 32 = 112
33 + 57 + 48 = 90 + 48 = 138
34 + 66 + 64 = 100 + 64 = 164
35 + 75 + 80 = 110 + 80 = 190
36 + 84 + 96 = 120 + 96 = 216
37 + 93 + 112 = 130 + 112 = 242
38 + 102 + 128 = 140 + 128 = 268
39 + 111 + 144 = 150 + 144 = 294
40 -30 -140 = 10 -140 = -130
41 -21 -124 = 20 -124 = -104
42 -12 -108 = 30 -108 = -78
43 -3 -92 = 40 -92 = -52
44 + 6 -76 = 50 -76 = -26
45 + 15 -60 = 60 -60 = 0
46 + 24 -44 = 70 -44 = 26
47 + 33 -28 = 80 -28 = 52
48 + 42 -12 = 90 -12 = 78
49 + 51 + 4 = 100 + 4 = 104
50 + 60 + 20 = 110 + 20 = 130
51 + 69 + 36 = 120 + 36 = 156
52 + 78 + 52 = 130 + 52 = 182
53 + 87 + 68 = 140 + 68 = 208
54 + 96 + 84 = 150 + 84 = 234
55 -45 -200 = 10 -200 = -190
56 -36 -184 = 20 -184 = -164
57 -27 -168 = 30 -168 = -138
58 -18 -152 = 40 -152 = -112
59 -9 -136 = 50 -136 = -86
60 + 0 -120 = 60 -120 = -60
61 + 9 -104 = 70 -104 = -34
62 + 18 -88 = 80 -88 = -8
63 + 27 -72 = 90 -72 = 18
64 + 36 -56 = 100 -56 = 44
65 + 45 -40 = 110 -40 = 70
66 + 54 -24 = 120 -24 = 96
67 + 63 -8 = 130 -8 = 122
68 + 72 + 8 = 140 + 8 = 148
69 + 81 + 24 = 150 + 24 = 174
70 -60 -260 = 10 -260 = -250
71 -51 -244 = 20 -244 = -224
72 -42 -228 = 30 -228 = -198
73 -33 -212 = 40 -212 = -172
74 -24 -196 = 50 -196 = -146
11 3^3-5
12 4^2-34%
13 3.25-315%
14 7^3+445%
15 12+5268.32-2569
16 123+456-52*8
17 45%+6325
18 1/2+1/3+1/4
19 789+456-78
20 45%+54%-36%
2. \u8131\u5f0f\u8ba1\u7b97\uff08\u80fd\u7b80\u7b97\u8981\u7b80\u7b97\uff0912%
6/7\uff0b2/15\uff0b1/7\uff0b 13/15 19/21\uff0b5/7\uff0d3/14
2/3\uff0b5/9\uff0d2/3\uff0b5/9
8/9\uff0d\uff081/4\uff0d1/9\uff09\uff0d 3/4
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1\u3001 \u53e3\u7b97\uff0814%\uff09
3.5\u00d72= 4.8\u00f71.2= 8-7.5= 1.4\u00d70.5= 1- =
10.5-3.5= 0.6+2.5= 15\u00d70.6= 1\u00f70.4= + =
4\u00f720= 1.25\u00d70.8= 0.32\u00d710= 2.5-2.5\u00d70.4=
2\u3001 \u600e\u6837\u7b97\u7b80\u4fbf\u5c31\u600e\u6837\u7b97\uff0812%\uff09
12.5\u00d73.2\u00d70.25 4.56\u00d7101\uff0d4.56 \uff080.2\uff0b7.63\u00f70.7\uff09\u00d70.1
3\u3001 \u89e3\u65b9\u7a0b\uff0812%\uff09
0.12\u03c7\uff0b1.8\u00d70.9=7.2 (9\uff0d5\u03c7)\u00d70.3=1.02 6.4\u03c7-\u03c7=28+4.4
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15\uff0e499000\u7ea6\u7b49\u4e8e( )\u4e07\uff0e
16\uff0e\u4e07\u7ea7\u4e0a\u7684\u8ba1\u6570\u5355\u4f4d\u6709( )\uff0e
\u4e8c\u3001\u5224\u65ad(16\u5206)
1\uff0e\u4ebf\u4ee5\u5185\u6570\u7684\u8bfb\u6cd5\uff0c\u6bcf\u7ea7\u672b\u5c3e\u4e0d\u7ba1\u6709\u51e0\u4e2a\uff0c\u90fd\u53ea\u8bfb\u4e00\u4e2a\u201c\u96f6\u201d\uff0e ( )
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6\uff0e4\u89d28\u5206\u7b49\u4e8e0.48\u5143\uff0e ( )
7\uff0e3700\u00f7200\u5546\u662f18\u4f59\u6570\u662f1\uff0e ( )
8\uff0e\u6bd4\u8f83\u5c0f\u6570\u7684\u5927\u5c0f\u8981\u5148\u6bd4\u8f83\u6574\u6570\u90e8\u5206\uff0c\u518d\u6bd4\u8f83\u5c0f\u6570\u90e8\u5206\uff0e ( )
\u4e09\u3001\u8ba1\u7b97(18\u5206)
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\u4e94\u3001\u5e94\u7528\u9898(28\u5206)
1\uff0e\u4e00\u5f20\u529e\u516c\u684c\u7684\u4ef7\u94b1\u662f210\u5143\uff0c\u662f\u4e00\u628a\u6905\u5b50\u7684\u4ef7\u94b1\u76843\u500d\uff0c\u4e00\u628a\u6905\u5b50\u591a\u5c11\u5143\uff1f(\u5148\u5217\u51fa\u542b\u6709\u672a\u77e5\u6570x\u7684\u7b49\u5f0f\uff0c\u518d\u89e3\u7b54\uff0e)
2\uff0e\u4e00\u672c\u6545\u4e8b\u4e66\u7684\u4ef7\u683c\u662f18.31\u5143\uff0c\u6bd4\u4e00\u672c\u79d1\u6280\u4e66\u8d351.49\u5143\uff0c\u8fd9\u672c\u79d1\u6280\u4e66\u591a\u5c11\u5143\uff1f(\u5148\u5217\u51fa\u542b\u6709\u672a\u77e5\u6570x\u7684\u7b49\u5f0f\uff0c\u518d\u89e3\u7b54\uff0e)
3\uff0e\u65b0\u534e\u4e66\u5e97\u8fd0\u8fdb\u6587\u827a\u4e662800\u518c\uff0c\u8fd0\u8fdb\u7684\u79d1\u6280\u4e66\u6bd4\u6587\u827a\u4e66\u76842\u500d\u5c111200\u518c\uff0e\u8fd0\u8fdb\u79d1\u6280\u4e66\u591a\u5c11\u518c\uff1f
4\uff0e\u6709\u5757\u957f\u65b9\u5f62\u7a3b\u7530\uff0c\u957f900\u7c73\uff0c\u5bbd200\u7c73\uff0c\u5171\u6536\u6c34\u7a3b97200\u5343\u514b\uff0c\u5e73\u5747\u6bcf\u516c\u9877\u6536\u6c34\u7a3b\u591a\u5c11\u5343\u514b\uff1f
5\uff0e\u4ece\u679c\u56ed\u8fd0\u8d701500\u5343\u514b\u6843\uff0c\u8fd0\u8d70\u7684\u82f9\u679c\u662f\u6843\u76844\u500d\uff0c\u6843\u548c\u82f9\u679c\u4e00\u5171\u8fd0\u8d70\u591a\u5c11\u5343\u514b\uff1f
2006\u20142007\u5b66\u5e74\u5ea6\u7b2c\u4e00\u5b66\u671f
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1\u3001\u53e3\u7b97:10'
450\u00f790\uff1d 250\u00d780\uff1d 75\u00f715\uff1d 700\uff0b380\uff1d
600\uff0d320\uff1d 96\u00f78\uff1d 36\uff0b36\uff1d 90\u00d79\uff0d9\uff1d
15\u00d72\u00d73\uff1d 99\uff0b101\uff1d 360\uff0d90\uff1d 200\u00f74\u00d75\uff1d
505\u00f7( )\uff1d5 ( )\uff0b1.8\uff1d2 90\u00d7( )=0 ( )\u00f73=21
98\u4e07\uff0d48\u4e07= 75\u4ebf+63\u4ebf= 1600\u00f740= 50\u00d760=
2\u3001\u5217\u7ad6\u5f0f\u8ba1\u7b97\uff0c\u6253\u2605\u7684\u8981\u9a8c\u7b97:9'
4080\u00d750\uff1d 305\u00f761= 306\u00d737= \u2605600\u00f767\uff1d
3\u3001\u8131\u5f0f\u8ba1\u7b97\uff1a18'
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1\u3001\u5929\u738b\u661f\u5230\u592a\u9633\u7684\u5e73\u5747\u8ddd\u79bb\u4e3a2870990000\u5343\u7c73\uff0c\u8fd9\u4e2a\u6570\u8bfb\u4f5c\uff08 \uff09\uff0c\u6539\u5199\u6210\u7528\u201c\u4e07\u201d\u505a\u5355\u4f4d\u7684\u6570\u662f\uff08 \uff09\uff0c\u7701\u7565\u201c\u4ebf\u201d\u540e\u9762\u7684\u4f4d\u6570\u7ea6\u662f\uff08 \uff09\u3002
2\u3001\u5730\u7403\u4e0e\u592a\u9633\u7684\u5e73\u5747\u8ddd\u79bb\u662f\u4e00\u4ebf\u56db\u5343\u4e5d\u767e\u4e94\u5341\u4e5d\u4e07\u4e03\u5343\u516b\u767e\u4e03\u5341\u5343\u7c73\uff0c
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4\u3001839500674\u8fd9\u4e2a\u6570\u91cc\uff0c\u201c8\u201d\u5728\uff08 \uff09\u4f4d\u4e0a\uff0c\u8868\u793a\uff08 \uff09\uff1b\u767e\u4e07\u4f4d\u4e0a\u662f\uff08 \uff09\uff0c\u8868\u793a\uff08 \uff09\u4e2a\uff08 \uff09\uff1b\u5b83\u662f\u7531\uff08 \uff09\u4e2a\u4ebf\u3001\uff08 \uff09\u4e2a\u4e07\u3001\uff08 \uff09\u4e2a\u767e\u3001\uff08 \uff09\u4e2a\u5341\u548c\uff08 \uff09\u4e2a\u4e00\u7ec4\u6210\u7684\u3002
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9\u3001\u5728\u25cb\u91cc\u586b\u4e0a\u201c\u201d\u6216\u201c=\u201d\u3002
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10\u3001\u5982\u679c3\u25a12\u00f736\u7684\u5546\u662f\u4e00\u4f4d\u6570\uff0c\u25a1\u91cc\u7684\u6570\u6700\u5927\u53ef\u4ee5\u586b\uff08 \uff09\uff0c\u6700\u5c0f\u53ef\u4ee5\u586b\uff08 \uff09\u3002
11\u3001\u5728\u4e00\u9053\u9664\u6cd5\u7b97\u5f0f\u4e2d\uff0c\u88ab\u9664\u6570\u6269\u592710\u500d\uff0c\u9664\u6570\u4e5f\u6269\u592710\u500d\uff0c\u5546\uff08 \uff09\u3002
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12\u3001\u4e00\u4e2a\u6570\u6700\u5c0f\u7684\u56e0\u6570\u662f\uff08 \uff09\uff0c\u6700\u5c0f\u500d\u6570\u662f\uff08 \uff09\uff0c\u6700\u5927\u7684\u56e0\u6570\u662f\uff08 \uff09\uff0c\u4e00\u4e2a\u6570\u56e0\u6570\u7684\u4e2a\u6570\u662f\uff08 \uff09\u7684\uff0c\u4e00\u4e2a\u6570\u500d\u6570\u7684\u4e2a\u6570\u662f\uff08 \uff09\u7684\u3002\u598218\u7684\u56e0\u6570\u6709\uff08 \uff09\u3002
12\u7684\u500d\u6570\u6709\uff08 \uff09\u3002
13\u3001\u5c0f\u660e\u5728\u8ba1\u7b97\u4e00\u9053\u9664\u6cd5\u7b97\u5f0f\u65f6\uff0c\u628a\u9664\u657030\u770b\u621036\uff0c\u7b97\u51fa\u7684\u5546\u662f5\uff0c\u6b63\u786e\u7ed3\u679c\u5e94\u662f\uff08 \uff09\u3002
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2\u3001\u4e0b\u9762\u7684\u6570\u4e2d\uff0c\uff08 \uff09\u8bfb\u7684\u96f6\u6700\u591a\u3002
A \u300150005500 B \u300150500505 C \u300150055005 D \u300155005005
4\u3001\u4e0b\u9762\u7684\u6570\u4e2d\uff0c\uff08 \uff09\u6700\u63a5\u8fd190\u4e07\u3002
A \u3001 901000 B \u3001900090 C \u3001895000 D\u3001 89999
5\u3001\uff08 \uff096\u3001\u8ba1\u7b97\u7b97\u5f0f800\u00f716\u65f6\uff0c\u53ef\u4ee5\u5c06\u5b83\u8f6c\u5316\u4e3a
A\u3001800\u00f710\u00f76 B\u3001800\u00f78\u00f72 C\u3001800\u00f712\u00f74
6\u3001\u4e09\u4f4d\u6570\u9664\u4ee5\u4e24\u4f4d\u6570\uff0c\u5546\u53ef\u80fd\u662f\uff08 \uff09\u3002
A\u30011\u4f4d\u6570 B\u30012\u4f4d\u6570 C\u30013\u4f4d\u6570 D\u30011\u4f4d\u6570\u62162\u4f4d\u6570
7\u3001\u628a\u4e00\u5f20\u957f\u65b9\u5f62\u7eb8\u5bf9\u6298\u4e24\u6b21\uff0c\u6298\u75d5\u95f4\u7684\u5173\u7cfb\u662f\uff08 \uff09\u3002
A\u3001\u4e92\u76f8\u5e73\u884c B\u3001\u4e92\u76f8\u5782\u76f4 C\u3001\u53ef\u80fd\u4e92\u76f8\u5e73\u884c\uff0c\u4e5f\u53ef\u80fd\u5782\u76f4
8\u3001\u660e\u660e\u753b\u4e86\u4e00\u6761\u6bd46\u5398\u7c73\u957f2\u6beb\u7c73\u7684\uff08 \uff09\u3002 A\u3001\u7ebf\u6bb5 B\u3001\u5c04\u7ebf C\u3001\u76f4\u7ebf
9\u300116\u3001\u25a172\u00f767\u7684\u5546\u662f\u4e24\u4f4d\u6570\uff0c\u25a1\u4e2d\u7684\u6570\u6709\uff08 \uff09\u79cd\u586b\u6cd5\uff1f A\u30013 B\u30014 C\u30015
10\u3001\u56db\u5e74\u7ea7\u4e00\u73ed\u6709\u7537\u751f24\u4eba\uff0c\u5973\u751f28\u4eba\uff0c\u6bcf\u56db\u4eba\u4e00\u7ec4\u53c2\u52a0\u52b3\u52a8\uff0c\u4e00\u5171\u8981\u5206\u6210\uff08 \uff09\u7ec4\u3002
A\u300124\u00f74+28 B\u300124+28\u00f74 C\u3001\uff0824+28\uff09\u00f74
\u6709\u7b54\u6848\u7684
200\u9053\u9898
1.45+15\u00d76= 135
2.250\u00f75\u00d78=400
3.6\u00d75\u00f72\u00d74=60
4.30\u00d73+8=98
5.400\u00f74+20\u00d75= 200
6.10+12\u00f73+20=34
7.(80\u00f720+80)\u00f74=21
8.70+(100-10\u00d75)=120
9.360\u00f740= 9
10.40\u00d720= 800
11.80-25= 55
12.70+45=115
13.90\u00d72= 180
14.16\u00d76= 96
15.300\u00d76= 1800
16.540\u00f79=60
17.30\u00d720= 600
18.400\u00f74= 100
19.350-80= 270
20.160+70=230
21.18-64\u00f78= 10
22.42\u00f76+20=27
23.40-5\u00d77= 5
24.80+60\u00f73=100
25.41+18\u00f72= 50
26.75-11\u00d75= 20
27.42+7-29= 20
28.5600\u00f780=70
29.25\u00d716= 400
30.120\u00d725= 3000
31.36\u00d711= 396
32.1025\u00f725=41
33.336+70= 406
34.25\u00d79\u00d74= 900
35.200-33\u00d73= 101
36.3020-1010=2010
37.12\u00d750= 600
38.25\u00d78= 200
39.23\u00d711= 253
40.125\u00f725=5
41.4200-2200=2000
42.220+80= 300
43.20\u00d78\u00d75= 800
44.600-3\u00d7200=0
45.20+20\u00f72= 30
46.35-25\u00f75= 30
47.36+8-40= 4
48.2800\u00f740=70
49.98\u00f714 = 7
50.96\u00f724 = 4
51.56\u00f714 =4
52.65\u00f713 = 5
53.75\u00f715 = 5
54.120\u00f724 =5
55.200\u00f725 = 8
56.800\u00f716 = 50
57.840\u00f721 =40
58.560\u00f714 = 40
59.390\u00f713 = 30
60.600\u00f715 =40
61.72\u00f724 = 3
62.85\u00f717 = 5
63.90\u00f715 =6
64.96\u00f716 = 6
65.78\u00f726 = 4
66.51\u00f717 =3
67.80\u00f740 = 2
68.100\u00f720 = 5
69.100\u00f74 =25
70.240\u00f740 = 6
71.920\u00f74 = 230
72.300\u00f760=5
73.64\u00f72 = 32
74.64\u00f74 = 16
75.50\u00f75 =10
76.60\u00f78 = 7.5
77.96\u00f74 = 24
78.90\u00f76 =15
79.400+80 = 480
80.400-80 = 320
81.40\u00d780 =3200
82.400\u00f780 = 5
83.48\u00f716 = 3
84.96\u00f724 =4
85.160\u00d75= 800
86.4\u00d7250= 1000
87.0\u00d7518= 0
88.10\u00d776= 760
89.36\u00d710=360
90.15\u00d76= 90
91.24\u00d73= 72
92.5\u00d718= 90
93.26\u00d74= 74
94.7\u00d715=105
95.32\u00d730= 960
96.40\u00d715= 600
97.60\u00d712= 720
98.23\u00d730= 690
99.30\u00d750=1500
100.5\u00d7700=350
1.45+15\u00d76= 135
2.250\u00f75\u00d78=400
3.6\u00d75\u00f72\u00d74=60
4.30\u00d73+8=98
5.400\u00f74+20\u00d75= 200
6.10+12\u00f73+20=34
7.(80\u00f720+80)\u00f74=21
8.70+(100-10\u00d75)=120
9.360\u00f740= 9
10.40\u00d720= 800
11.80-25= 55
12.70+45=115
13.90\u00d72= 180
14.16\u00d76= 96
15.300\u00d76= 1800
16.540\u00f79=60
17.30\u00d720= 600
18.400\u00f74= 100
19.350-80= 270
20.160+70=230
15×50=
23×3=
12×2=
480÷8=
16×5=
27×3=
90÷15=
48÷4=
64÷16=
39÷3=
24×2=
32×3=
48÷16=
12×8=
27×3=
56÷14=
24÷8=
14×2=
83－45=
560÷8=
96÷24=
40＋26=
40×30=
37＋26=
76－39=
65＋59=
30×23=
12×8=
27＋32=
48＋27=
450×20=
73＋15 =
120×600 =
20×360=
680×400=
280＋270=
4×2500=
600÷40=
5×128=
310－70=
400×14=
470＋180=
100÷25=
160×600=
20×420=
290×300=
810÷30=
7600÷20=
7600÷40=
680＋270=
980÷14=
4200÷30=
6×130=
130×50=
200×48=
930－660=
530＋280=
920÷40=
840÷21=
180×50=
800÷50 =
1900÷20=
200×160=
870÷30=
300×33=
3×140=
700÷14=
600÷12=
9600÷80=
140×300=
8800÷40=
960÷800=
750－290=
5×490=
760×20=
7500÷500=
370×200=
650÷13=
8600－4200=
240×4=
640÷80=
15×10=
12×11=
160×30=
220×40=
104×5=
4500÷50=
120×2=
90÷30=
270÷30=
270×30=
84÷21=
76÷9=
66÷7=
100－54=
123＋15=
3600÷400=
4000÷50=
530－70=
420－90=
9600÷30=
7×700=
203+98=
1800÷300=
240+570=
4800÷400=
370+580=
580－490=
910－370=
25×8=
270－190=
36×2=
75÷25=
330÷11=
6×800=
5400÷9=
420÷60=
9×800=
3×330=
300×7=
9×500=
390÷13=
6300÷700=
5600÷700=
4800÷12=
3500÷7=
370＋560=
520＋490＝
450－90＝
80＋330＝
70×700＝
700÷70＝
4000÷80＝
2400÷200＝
420－90＝
170＋320＝
100－51＝
520－260＝
910－190＝
35×200＝
22×200＝
880÷400＝
930÷300＝
6×300＝
1800÷200＝
我眼花了、
(100/99)*2009 乘以(99/100)*2008
25 -15 -80 = 10 -80 = -70
26 -6 -64 = 20 -64 = -44
27 + 3 -48 = 30 -48 = -18
28 + 12 -32 = 40 -32 = 8
29 + 21 -16 = 50 -16 = 34
30 + 30 + 0 = 60 + 0 = 60
31 + 39 + 16 = 70 + 16 = 86
32 + 48 + 32 = 80 + 32 = 112
33 + 57 + 48 = 90 + 48 = 138
34 + 66 + 64 = 100 + 64 = 164
35 + 75 + 80 = 110 + 80 = 190
36 + 84 + 96 = 120 + 96 = 216
37 + 93 + 112 = 130 + 112 = 242
38 + 102 + 128 = 140 + 128 = 268
39 + 111 + 144 = 150 + 144 = 294
40 -30 -140 = 10 -140 = -130
41 -21 -124 = 20 -124 = -104
42 -12 -108 = 30 -108 = -78
43 -3 -92 = 40 -92 = -52
44 + 6 -76 = 50 -76 = -26
45 + 15 -60 = 60 -60 = 0
46 + 24 -44 = 70 -44 = 26
47 + 33 -28 = 80 -28 = 52
48 + 42 -12 = 90 -12 = 78
49 + 51 + 4 = 100 + 4 = 104
50 + 60 + 20 = 110 + 20 = 130
51 + 69 + 36 = 120 + 36 = 156
52 + 78 + 52 = 130 + 52 = 182
53 + 87 + 68 = 140 + 68 = 208
54 + 96 + 84 = 150 + 84 = 234
55 -45 -200 = 10 -200 = -190
56 -36 -184 = 20 -184 = -164
57 -27 -168 = 30 -168 = -138
58 -18 -152 = 40 -152 = -112
59 -9 -136 = 50 -136 = -86
60 + 0 -120 = 60 -120 = -60
61 + 9 -104 = 70 -104 = -34
62 + 18 -88 = 80 -88 = -8
63 + 27 -72 = 90 -72 = 18
64 + 36 -56 = 100 -56 = 44
65 + 45 -40 = 110 -40 = 70
66 + 54 -24 = 120 -24 = 96
67 + 63 -8 = 130 -8 = 122
68 + 72 + 8 = 140 + 8 = 148
69 + 81 + 24 = 150 + 24 = 174
70 -60 -260 = 10 -260 = -250
71 -51 -244 = 20 -244 = -224
72 -42 -228 = 30 -228 = -198
73 -33 -212 = 40 -212 = -172
74 -24 -196 = 50 -196 = -146
11 3^3-5
12 4^2-34%
13 3.25-315%
14 7^3+445%
15 12+5268.32-2569
16 123+456-52*8
17 45%+6325
18 1/2+1/3+1/4
19 789+456-78
20 45%+54%-36%
2. 脱式计算（能简算要简算）12%
6/7＋2/15＋1/7＋ 13/15 19/21＋5/7－3/14
2/3＋5/9－2/3＋5/9
8/9－（1/4－1/9）－ 3/4
一、 计算（60%）
1、 口算（14%）
3.5×2= 4.8÷1.2= 8-7.5= 1.4×0.5= 1- =
10.5-3.5= 0.6+2.5= 15×0.6= 1÷0.4= + =
4÷20= 1.25×0.8= 0.32×10= 2.5-2.5×0.4=
2、 怎样算简便就怎样算（12%）
12.5×3.2×0.25 4.56×101－4.56 （0.2＋7.63÷0.7）×0.1
3、 解方程（12%）
0.12χ＋1.8×0.9=7.2 (9－5χ)×0.3=1.02 6.4χ-χ=28+4.4
(时间：90分钟 总分：100分)
一、填空(20分)
1．最大的四位数是( )，最小的五位数是( )．
2．用0、2、5这三个数字组成最大的三位数是( )．
3．7496100读作( )，约是( )万．
4．三千六百万零七十写作( )．
6．0.89由( )0.1和( )0.01组成．
7．被减数、减数、差三者的和是24，被减数是( )．
8．72个0.01组成的数是( )．
9．9000公顷=( )平方千米．
10．3平方千米=( )平方米．
11．一个数千位和百分位上都是“9”，其余各位均为“0”，这个数是( )．
12．0.37写成分数是( )．
13．被除数等于除数( )商．
14．两个因数的积是96，其中一个因数是6，另一个因数是( )．
15．499000约等于( )万．
16．万级上的计数单位有( )．
二、判断(16分)
1．亿以内数的读法，每级末尾不管有几个，都只读一个“零”． ( )
2．整数都比小数大． ( )
3．一个因数不变，另一个因数扩大10倍，积也扩大10倍． ( )
4．80.80读作：八十点八十． ( )
5．积一定比因数大． ( )
6．4角8分等于0.48元． ( )
7．3700÷200商是18余数是1． ( )
8．比较小数的大小要先比较整数部分，再比较小数部分． ( )
三、计算(18分)
①8256÷258 ②107×39 ③321×109
④8897÷31 ⑤22119÷219 ⑥96×315
四、用简便方法计算(18分)
①728＋199 ②637－201 ③16×25
④420÷35 ⑤36×5×4 ⑥720÷8÷9
五、应用题(28分)
1．一张办公桌的价钱是210元，是一把椅子的价钱的3倍，一把椅子多少元？(先列出含有未知数x的等式，再解答．)
2．一本故事书的价格是18.31元，比一本科技书贵1.49元，这本科技书多少元？(先列出含有未知数x的等式，再解答．)
3．新华书店运进文艺书2800册，运进的科技书比文艺书的2倍少1200册．运进科技书多少册？
4．有块长方形稻田，长900米，宽200米，共收水稻97200千克，平均每公顷收水稻多少千克？
5．从果园运走1500千克桃，运走的苹果是桃的4倍，桃和苹果一共运走多少千克？
绛旓細灏忓鍥涘勾绾т笅鍐屾暟瀛﹀彛绠楅濡備笅锛1銆45+15脳6= 135 2銆250梅5脳8=400 3銆6脳5梅2脳4=60 4銆30脳3+8=98 5銆400梅4+20脳5= 200 6銆10+12梅3+20=34 7銆(80梅20+80)梅4=21 8銆70+(100-10脳5)=120 9銆360梅40= 9 10銆40脳20= 800 11銆80-25= 55 12銆70+45=115 13銆...
绛旓細灏忓鍥涘勾绾у彛绠灏忔暟鍔犲噺涔橀櫎娉曢鐩100棰骞堕檮甯︾瓟妗堝涓嬶細涓銆5.6梅7= 0.8 浜屻27梅0.01= 2700 涓夈1.25脳4=5 鍥涖0.54梅0.09=6 浜斻5.2脳0= 0 鍏1.12脳100=112 涓冦8.7梅0.29= 30 鍏0.04脳25= 1 涔濄1.25脳0.8= 2 鍗併8.5梅5=1.7 鍗佷竴銆7梅0.5=14 鍗佷簩...
绛旓細1銆15脳3= 15脳30= 150脳3= 150脳30= 15脳300= 3脳150=25脳4= 45脳20= 50脳40= 250脳4= 125脳4= 125脳8=21脳4= 21脳40= 210脳4= 60脳90= 600脳8= 60脳50=43脳2= 20脳34= 3脳230= 12脳40= 70脳20= 3脳...
绛旓細4+15脳6= 94 400梅锛5+3锛=50 3.6脳5梅2脳4=60 4脳3+8=20 40梅4+20脳5= 110 12梅3+20=24 (80梅20+80)梅4=21 70+(100-10脳5)=120 360梅40= 9 40脳20= 800 80-25= 55 70+45=115 90脳2= 180 16脳6= 96 300脳60= 18000 540梅9=60 30脳20+20= 620 2脳400梅...
绛旓細230脳20锛 130脳3锛 60脳50锛 150梅3锛 260脳2锛 75锛26锛 21脳40锛 35脳20锛 15脳80锛 300脳6锛 15脳8锛 23脳30锛 51梅3锛 60梅60锛 80梅5锛 240梅80锛 100梅50锛 1200梅20锛 250梅50锛 270梅90锛 50梅10锛 360梅40锛 500梅50锛 280梅70锛 34脳2锛 15脳5锛 490梅70...
绛旓細鏁存暟闄や互鏁存暟100閬撳涓嬶細涓銆700梅8=銆469梅7=銆372梅4=銆248梅3= 浜屻345梅4=銆156梅3=銆434梅8=銆257梅5= 涓夈372梅6=銆185梅5=銆609梅3=銆815梅5= 鍥涖891梅3=銆357梅3=銆804梅2=銆465梅5= 浜斻900梅3=銆548梅3=銆540梅4=銆456梅4= 鍏640梅5=銆763梅4=銆460梅4=...
绛旓細100梅25= 160脳600= 20脳420= 290脳300= 810梅30= 7600梅20= 7600梅40= 680锛270= 980梅14= 4200梅30= 6脳130= 130脳50= 200脳48= 930锛660= 530锛280= 920梅40= 840梅21= 180脳50= 800梅50 = 1900梅20= 200脳160= 870梅30= 300脳33= 3脳140= 700梅14= 600梅12= 9600...
绛旓細鏈夌瓟妗堢殑 200閬撻 1.45+15脳6= 135 2.250梅5脳8=400 3.6脳5梅2脳4=60 4.30脳3+8=98 5.400梅4+20脳5= 200 6.10+12梅3+20=34 7.(80梅20+80)梅4=21 8.70+(100-10脳5)=120 9.360梅40= 9 10.40脳20= 800 11.80-25= 55 12.70+45=115 13.90脳2= 180 14.16...
绛旓細17脳40锛480 100锛63锛37 3.2锛1.68锛4.88 2.8脳0.4锛1.12 14锛7.4锛6.6 1.92梅0.04锛48.75 0.32脳500锛160 65锛4.35锛69.35 10锛5.4锛4.6 4梅20锛0.2 3.5脳200锛700 1.5锛0.06锛1.44 0.75梅15锛 0.4脳0.8锛 4脳0.25锛...
绛旓細鎴戝100鍒,
