30道小数两部以上脱式计算题 30道小数脱试计算题
\u8131\u5f0f\u8ba1\u7b97\u5927\u5168\u53ca\u7b54\u684830\u90531.
4\u00d7102\uff0d2\u00d749
=408-2\u00d749
=408-98
=310
2.
25\u00d7\uff082+4\uff09
=25\u00d72+25\u00d74
=50+100
=150
3.
12\u00d75+8
=60+8
=68
4.
99\u00d7101
=99\u00d7(100+1)
=99\u00d7100+99\u00d71
=9900+99
=9999
5.
25\u00d7\uff0878\u00d74\uff09
=25\u00d74\u00d778
=100\u00d778
=7800
6.
\uff0825\uff0b12\uff09\u00d74
=25\u00d74+12\u00d74
=100+48
=148
7.
1.4+0.7+8.6
=(1.4+8.6)+0.7
=10+0.7
=10.7
8.
56\u00d727\uff0b27\u00d744
=27\u00d7(56+44)
=27\u00d7100
=2700
9.
56\u00d799\uff0b56
=56\u00d7(99+1)
=56\u00d7100
=5600
10.
125\u00d725\u00d78\u00d74
=(25\u00d74)\u00d7(125\u00d78)
=100\u00d71000
=100000
12.
25\u00d7125\u00d74
=(25\u00d74)\u00d7125
=100\u00d7125
=12500
13.
125\u00d747\uff0d47\u00d725
=47\u00d7(125\uff0d25)
=47\u00d7100
=4700
14.
124\u00d738\uff0b65\u00d7124\uff0b76\u00d7110\uff0d76\u00d77
=124\u00d7\uff0838\uff0b65\uff09+76\u00d7\uff08110\uff0d7\uff09
=124\u00d7103+76\u00d7103
=103\u00d7\uff08124\uff0b76\uff09
=103\u00d7200
=20600
15.
233-157-43
=233-(157+43)
=233-200
=33
16.
125\u00d732\u00d725
=125\u00d78\u00d74\u00d725
=\uff08125\u00d78\uff09\u00d7\uff084\u00d725\uff09
=1000\u00d7100
=100000
17.
1.25\u00d7(8+10)
=125\u00d78+125\u00d710
=1000+1250
=2250
18.
99\uff0b99\u00d799
=99\u00d7\uff0899+1\uff09
=99\u00d7100
=9900
19.
264\u00d797\uff0b3\u00d7264
=264\u00d7\uff0897\uff0b3\uff09
=264\u00d7100
=26400
20.
62\u00d74\uff0b44\u00d76\uff0b6\u00d718
=62\u00d74+6\u00d7\uff0844\uff0b18\uff09
=62\u00d74+6\u00d762
=62\u00d7\uff084+6\uff09
=62\u00d710
=620
\u2026\u2026
30.
55+60+40+45
=\uff0855+45\uff09+(60+40)
=100+100
=200
1.2\u00d71.2=1.44
5.6+7.2=12.8
9.6\u00f71.2=8
13.4-9.8=3.6
0.125\u00d78=1
2.250÷5×8=400
3.6×5÷2×4=60
4.30×3+8=98
5.400÷4+20×5= 200
6.10+12÷3+20=34
7.(80÷20+80)÷4=21
8.70+(100-10×5)=120
9.360÷40+10= 19
10.40×20-200= 600
11.（80-25）*2= 110
12.70+45=115
13.90×2÷3= 60
14.16×6÷3= 32
15.300×6÷9= 200
16.540÷9×7=420
17.30×20÷15= 20
18.400÷4×7= 700
19.（350-80）÷9= 30
20.160+70+50=280
21.18-64÷8= 10
22.42÷6+20=27
23.40-5×7= 5
24.80+60÷3=100
25.41+18÷2= 50
26.75-11×5= 20
27.42+7-29= 20
28.5600÷80=70
29.25×16÷4= 100
30.120×25÷5= 600
31.36×11÷3= 132
32.1025÷25×8=328
33.336+70-6= 400
34.25×9×4= 900
35.200-33×3= 101
36.3020-1010=2010
37.12×50+10= 610
38.25×8+199= 399
39.23×11-13= 240
40.125÷25-5=0
41.4200-2200+200=2200
42.220+80-150=150
43.20×8×5= 800
44.600-3×200=0
45.20+20÷2= 30
46.35-25÷5= 30
47.36+8-40= 4
1）25%*132+1/4*8 2)32*0.125*25
=1/4*132+1/4*8 =(4+8)*0.125*25
=1/4*(132+8) =(4*25)*(8*0.125)
=1/4*140 =100*1
=35 =1000
3)75%*76+25*4+0.75*12
=3/4*76+3/4*12+25*4
=3/4*88+100
=166
4)3200*1/8÷2/5+1270 5)(2/3+4/5)*7/6
=400*5/2+1270 =22/15*7/6
=1000+1270 =77/45
=2270
5)6*(1/2+2/3) 6)132*(44÷176)
=6*1/2+6*2/3 =132*1/4 =33
=3+4
=7
7)72.25%*99+75.25%
=75.25%*99+75.25%*1
=75.25%*(99+1)
=75.25%*100
=75.25
①2700×（506－499）÷900 ②33.02－（148.4－90.85）÷2.5
=2700×7÷900 =33.02－57.55÷2.5
=18900÷900 =33.02－23.02
=21 =10
③（1÷1－1）÷5.1 ④18.1＋（3－0.299÷0.23）×1
=（1－1）÷5.1 =18.1＋1.7X1
=0÷5.1 =18.1＋1.7
=0 =19.8
1.45+15×6= 135
2.250÷5×8=400
3.6×5÷2×4=60
4.30×3+8=98
5.400÷4+20×5= 200
6.10+12÷3+20=34
7.(80÷20+80)÷4=21
8.70+(100-10×5)=120
9.360÷40+10= 19
10.40×20-200= 600
11.（80-25）*2= 110
12.70+45=115
13.90×2÷3= 60
14.16×6÷3= 32
15.300×6÷9= 200
16.540÷9×7=420
17.30×20÷15= 20
18.400÷4×7= 700
19.（350-80）÷9= 30
20.160+70+50=280
21.18-64÷8= 10
22.42÷6+20=27
23.40-5×7= 5
24.80+60÷3=100
25.41+18÷2= 50
26.75-11×5= 20
27.42+7-29= 20
28.5600÷80=70
29.25×16÷4= 100
30.120×25÷5= 600
31.36×11÷3= 132
32.1025÷25×8=328
33.336+70-6= 400
34.25×9×4= 900
35.200-33×3= 101
36.3020-1010=2010
37.12×50+10= 610
38.25×8+199= 399
39.23×11-13= 240
40.125÷25-5=0
41.4200-2200+200=2200
42.220+80-150=150
43.20×8×5= 800
44.600-3×200=0
45.20+20÷2= 30
46.35-25÷5= 30
47.36+8-40= 4
1）25%*132+1/4*8 2)32*0.125*25
=1/4*132+1/4*8 =(4+8)*0.125*25
=1/4*(132+8) =(4*25)*(8*0.125)
=1/4*140 =100*1
=35 =1000
3)75%*76+25*4+0.75*12
=3/4*76+3/4*12+25*4
=3/4*88+100
=166
4)3200*1/8÷2/5+1270 5)(2/3+4/5)*7/6
=400*5/2+1270 =22/15*7/6
=1000+1270 =77/45
=2270
5)6*(1/2+2/3) 6)132*(44÷176)
=6*1/2+6*2/3 =132*1/4 =33
=3+4
=7
7)72.25%*99+75.25%
=75.25%*99+75.25%*1
=75.25%*(99+1)
=75.25%*100
=75.25
①2700×（506－499）÷900 ②33.02－（148.4－90.85）÷2.5
=2700×7÷900 =33.02－57.55÷2.5
=18900÷900 =33.02－23.02
=21 =10
③（1÷1－1）÷5.1 ④18.1＋（3－0.299÷0.23）×1
=（1－1）÷5.1 =18.1＋1.7X1
=0÷5.1 =18.1＋1.7
=0 =19.8
3.3*2.4*5=3.3*（2。5*4）
12。5（8*9）=12。5*8*9
。。。。。。
30-20+10
70*80/2
90*90/100
80*900-200
绛旓細2.1梅7梅0.1= 5脳2.1锛2.1= 2.5脳4脳0.5= 50脳0.04锛420= 3.4梅0.1锛21= 100脳2.1脳0.03= 6.9梅3锛19= 3.7锛1.26锛0.74= 2.34锛1.34脳0= (1.5锛2.5)脳0.77= 31锛0.25锛0.75= 34.1锛21.5锛0.9=,2,鍥涘勾绾灏忔暟鑴卞紡璁＄畻棰锛堝姞鍑忎箻闄ゆ硶锛夎500閬!
绛旓細4銆渚嬮锛45.6-1.6梅4 =45.6-0.4 =45.2 5銆佷緥棰橈細3.2脳锛1.5+2.5锛壝1.6 =2脳锛1.5+2.5锛=8 瑙ｉ鎶宸э細1銆佸湪娣峰悎杩愮畻涓紝鍏堢畻鎷彿鍐呯殑鏁 锛屾嫭鍙蜂粠灏忓埌澶э紝濡傛湁涔樻柟鍏堢畻涔樻柟锛岀劧鍚庝粠楂樼骇鍒颁綆绾с2銆佸湪璁＄畻娣峰悎杩愮畻鏃讹紝閫氬父鏄竴姝ヨ绠椾竴涓畻寮(閫愭璁＄畻锛岀瓑鍙蜂笉鑳藉啓鍦ㄥ師寮忎笂...
绛旓細6.9锛4.8锛3.1 0.456锛6.22锛3.78 15.89锛(6.75锛5.89)4.02锛5.4锛0.98 5.17锛1.8锛3.2 13.75锛(3.75锛6.48)3.68锛7.56锛2.68 7.85锛2.34锛0.85锛4.66 35.6锛1.8锛15.6锛7.2 3.82锛2.9锛0.18锛9.1 9.6锛4.8锛3.6 7.1...
绛旓細4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.98 0.134+2.66+0.866 1.27+3.9+0.73+16.1 7.5锛4.9锛6.5 3.07锛0.38锛1.62 1.29锛3.7锛2.71锛6.3 8锛2.45...
绛旓細48銆80脳6脳2770梅7锛65807锛20梅2锛49銆100锛50梅535锛35梅7302锛30脳2锛50銆600脳8梅340锛100梅5434锛25脳5锛51銆60锛12脳364梅8锛456640锛60脳4锛52銆5脳7锛48梅642梅7锛36梅637脳4锛19脳8锛53銆10脳4锛20梅415梅3锛10梅525梅5锛42梅6锛54銆35梅5锛8脳772梅9锛36梅621脳4...
绛旓細23.5+14.8+36.5 =23.5+36.5+14.8 =60+14.8 =74.8 19.4+30.6+45.62 =50+45.62 =95.62 33.5+24.9+51.3 =58.4+51.3 =109.7 39.7脳2.8+3.97脳72 =3.97脳10脳2.8+3.97脳72 =3.97脳28+3.97脳72 =3.97脳锛28+72锛=3.97脳100 =397 32脳1.2脳52 =...
绛旓細23.5+14.8+36.5 =23.5+36.5+14.8 =60+14.8 =74.8 19.4+30.6+45.62 =50+45.62 =95.62 33.5+24.9+51.3 =58.4+51.3 =109.7 39.7脳2.8+3.97脳72 =3.97脳10脳2.8+3.97脳72 =3.97脳28+3.97脳72 =3.97脳锛28+72锛=3.97脳100 =397 32脳1.2脳52 =...
绛旓細3銆鑴卞紡璁＄畻锛堣兘绠绠楃殑瑕佺畝绠楋級2.5脳7.1脳4 16.12脳99锛16.12 5.2脳0.9锛0.9 71 1612 5.58 7.28脳99+7.28 4.3脳50脳0.2 64锛2.64脳0.5 728 43 62.68 26脳15.7锛15.7脳24 (2.275 锛0.625...
绛旓細鑴卞紡璁＄畻 2800梅 100+789 (947-599)+76脳64 1.36脳(913-276梅23) 2.(93+25脳21)脳9 3.507梅13脳63+498 4.723-(521+504)梅25 5.384梅12+23脳371 6.(39-21)脳(396梅6)(1)156脳[(17.7-7.2)梅3] (2)[37.85-(7.85+6.4)] 脳30 (3)28脳(5+969.9梅318) (4)81...
绛旓細姣忓ぉ缁冨嚑閬撻瀵瑰煿鍏诲瀛愯绠楃殑缁嗚嚧鏈夊府鍔┿ 浜斿勾绾鑴卞紡璁＄畻棰~鎬鎬鎬(瑕佺瓟妗) 2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2 4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35 4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14 30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18 5/8...
