六年级脱式计算题能简算要减算50到左右带答案过程。 有100道脱式简便计算题带答案和过程吗
\u8131\u5f0f\u8ba1\u7b97\u9898\u516d\u5e74\u7ea750\u5230\u5de6\u53f3\u80fd\u7b80\u7b97\uff0c\u8981\u7b80\u7b97\u30020.4\u00d7125\u00d725\u00d70.8
=\uff080.4\u00d725\uff09\u00d7\uff08125\u00d70.8\uff09
=10\u00d7100=1000
1.25\u00d7\uff088+10\uff09
=1.25\u00d78+1.25\u00d710
=10+12.5=22.5
9123-\uff08123+8.8\uff09
=9123-123-8.8
=9000-8.8
=8991.2
1.24\u00d78.3+8.3\u00d71.76
=8.3\u00d7\uff081.24+1.76\uff09
=8.3\u00d73=24.9
9999\u00d71001
=9999\u00d7\uff081000+1\uff09
=9999\u00d71000+9999\u00d71
=10008999
14.8\u00d76.3-6.3\u00d76.5\uff0b8.3\u00d73.7
=\uff0814.8-6.5\uff09\u00d76.3\uff0b8.3\u00d73.7
=8.3\u00d76.3+8.3\u00d73.7
=8.3\u00d7\uff086.3\uff0b3.7\uff09
=8.3\u00d710
=83
1.24+0.78+8.76
=\uff081.24+8.76\uff09+0.78
=10+0.78
=10.78
933-157-43
=933-\uff08157+43\uff09
=933-200 =733
4821-998
=4821-1000+2
=3823
32\u00d7125\u00d725
=4\u00d78\u00d7125\u00d725
=\uff084\u00d725\uff09\u00d7\uff088\u00d7125\uff09
=100\u00d71000
=100000 9048\u00f726
=\uff082600+2600+2600+1248\uff09\u00f726
=2600\u00f726+2600\u00f726+2600\u00f726+1248\u00f726
=100+100+100+48
=348
2881\u00f7 43
=\uff081290+1591\uff09\u00f7 43
=1290\u00f743+1591\u00f743
=30+37 =67 3.2\u00d742.3\u00d73.75-12.5\u00d70.423\u00d716
=3.2\u00d742.3\u00d73.75-1.25\u00d742.3\u00d71.6
=42.3\u00d7(3.2\u00d73.75-1.25\u00d71.6)
=42.3\u00d7(4\u00d70.8\u00d73.75-1.25\u00d74\u00d70.4)
=42.3\u00d7(4\u00d70.4\u00d72\u00d73.75-1.25\u00d74\u00d70.4)
=42.3\u00d7(4x0.4x7.5-1.25x4x0.4)
=42.3\u00d7[4\u00d70.4\u00d7(7.5-1.25)]
=42.3\u00d7[4\u00d70.4\u00d76.25]
=42.3\u00d7(4\u00d72.5)
=423
1.8+18\u00f71.5-0.5\u00d70.3
=1.8+12-0.15
=13.8-0.15
=13.65
6.5\u00d78+3.5\u00d78-47
=52+28-47 =80-47 =33 (80-9.8)\u00d75\u5206\u4e4b2-1.32
=70.2X2/5-1.32
=28.08-1.32
=26.76
8\u00d77\u5206\u4e4b4\u00f7[1\u00f7(3.2-2.95)]
=8\u00d74/7\u00f7[1\u00f70.25]
=8\u00d74/7\u00f74
=8/7
2700\u00d7\uff08506\uff0d499\uff09\u00f7900
=2700\u00d77\u00f7900
=18900\u00f7900
=21
33.02\uff0d\uff08148.4\uff0d90.85\uff09\u00f72.5
=33.02\uff0d57.55\u00f72.5
=33.02\uff0d23.02
=10
\uff081\u00f71\uff0d1\uff09\u00f75.1
=\uff081\uff0d1\uff09\u00f75.1
=0\u00f75.1
=0
18.1\uff0b\uff083\uff0d0.299\u00f70.23\uff09\u00d71
=18.1\uff0b1.7\u00d71
=18.1\uff0b1.7
=19.8
1. 0.4\u00d7125\u00d725\u00d70.8 =\uff080.4\u00d725\uff09\u00d7\uff08125\u00d70.8\uff09=10\u00d7100=1000
2. 1.25\u00d7\uff088+10\uff09=1.25\u00d78+1.25\u00d710 =10+12.5=22.5
3.9123-\uff08123+8.8\uff09=9123-123-8.8=9000-8.8=8991.2
4.1.24\u00d78.3+8.3\u00d71.76 =8.3\u00d7\uff081.24+1.76\uff09 =8.3\u00d73=24.9
5.9999\u00d71001=9999\u00d7\uff081000+1\uff09=9999\u00d71000+9999\u00d71=10008999
6. 14.8\u00d76.3-6.3\u00d76.5\uff0b8.3\u00d73.7=\uff0814.8-6.5\uff09\u00d76.3\uff0b8.3\u00d73.7=8.3\u00d76.3+8.3\u00d73.7=8.3\u00d7\uff086.3\uff0b3.7\uff09=8.3\u00d710=83
7. 1.24+0.78+8.76=\uff081.24+8.76\uff09+0.78=10+0.78=10.78
8. 933-157-43 =933-\uff08157+43\uff09 =933-200 =733
9. 4821-998=4821-1000+22=3823
10. 32\u00d7125\u00d725=4\u00d78\u00d7125\u00d725=\uff084\u00d725\uff09\u00d7\uff088\u00d7125\uff09=100\u00d71000=100000 9048\u00f726=\uff082600+2600+2600+1248\uff09\u00f726=2600\u00f726+2600\u00f726+2600\u00f726+1248\u00f726=100+100+100+48=348
11. 2881\u00f7 43=\uff081290+1591\uff09\u00f7 43=1290\u00f743+1591\u00f743=30+37 =67 3.2\u00d742.3\u00d73.75-12.5\u00d70.423\u00d716=3.2\u00d742.3\u00d73.75-1.25\u00d742.3\u00d71.6=42.3\u00d7(3.2\u00d73.75-1.25\u00d71.6)=42.3\u00d7(4\u00d70.8\u00d73.75-1.25\u00d74\u00d70.4)=42.3\u00d7(4\u00d70.4\u00d72\u00d73.75-1.25\u00d74\u00d70.4)=42.3\u00d7(4x0.4x7.5-1.25x4x0.4)=42.3\u00d7[4\u00d70.4\u00d7(7.5-1.25)]=42.3\u00d7[4\u00d70.4\u00d76.25]=42.3\u00d7(4\u00d72.5) =423
12. 1.8+18\u00f71.5-0.5\u00d70.3 =1.8+12-0.15=13.8-0.15 =13.65
13. 6.5\u00d78+3.5\u00d78-47 =52+28-47 =80-47 =33 (80-9.8)\u00d75\u5206\u4e4b2-1.32 =70.2X2/5-1.32=28.08-1.32 =26.76
14. 8\u00d77\u5206\u4e4b4\u00f7[1\u00f7(3.2-2.95)] =8\u00d74/7\u00f7[1\u00f70.25]=8\u00d74/7\u00f74 =8/7
15. 2700\u00d7\uff08506\uff0d499\uff09\u00f7900 =2700\u00d77\u00f7900 =18900\u00f7900 =21
16. 33.02\uff0d\uff08148.4\uff0d90.85\uff09\u00f72.5=33.02\uff0d57.55\u00f72.3=33.02\uff0d23.02=10
17. \uff081\u00f71\uff0d1\uff09\u00f75.1 =\uff081\uff0d1\uff09\u00f75.1 =0\u00f75.1 =0
18. 18.1\uff0b\uff083\uff0d0.299\u00f70.23\uff09\u00d71=18.1\uff0b1.7\u00d71 =18.1\uff0b1.7 =19.8
19. 9000\u00f772\u00d7(1.25\u00d70.7\u00d78)=9000\u00f772\u00d77=125\u00d77=875
20. 61-(1.25+2.5\u00d70.7)=61-3=58
21. [(10-0.8)+9.85]-2\u00f70.125=19.05-2\u00f70.125=19.05-16=13.05
22. 5.4\u00f71.8+240\u00d71.5=3+360=363
23. 9000\u00f772\u00d7(1.25\u00d70.7\u00d78\uff09=9000\u00f772\u00d77=125\u00d77=875
24. 61-(1.25+2.5\u00d70.7)=61-3=58
25. [(10-0.8)+9.85]-2\u00f70.125=19.05-2\u00f70.125=19.05-16=3.05
26. 408\uff0d12\u00d724= 408 - 288= 120
27. \uff0846\uff0b28\uff09\u00d760= 74 x 60= 4440
28. 42\u00d750\uff0d17 = 2100- 17 = 2083
29. 32\uff0b105\u00f75 = 32 + 21= 53
30. 420\u00d7\uff08327\uff0d238\uff09 = 420 x 89 = 37380
31. (4121+2389)\u00f77 = 6510 \u00f77 = 930
32. 3.416\u00f7\uff080.016\u00d735\uff09 = 3.416 \u00f70.56 = 6.1
33. 0.8\u00d7[(10\uff0d6.76)\u00f71.2] = 0.8 x(3.24\u00f71.2) = 0.8 x 2.7 = 2.16
34. 5.67\u00d70.2-0.62 = 1.134-0.62 = 0.514
35.0.4\u00d70.7\u00d70.25 = 0.4 x 0.2 5 x 0.7 = 0.1 x 0.7 = 0.07
36. 0.78+5.436+1 = 6.216 +1 = 7.216
37. 30.8\u00f7[14\uff0d(9.85\uff0b1.07)] = 30.8 \u00f7 (14 - 10.92) = 30.8\u00f73.08 = 10
38. [60\uff0d(9.5\uff0b28.9)]\u00f70.18 = (60- 38.4)\u00f70.18 = 21.6 \u00f70.18 = 120
39. 2.881\u00f70.43\uff0d0.24\u00d73.5 = 6.7 - 0.24 x3.5 = 6.7 - 0.84 = 5.86
40. 20\u00d7[(2.44\uff0d1.8)\u00f70.4\uff0b0.15] = 20x (0.64 \u00f70.4 +0.15)= 20x(1.6 +0.15) = 20 x1.75 = 35
41. 28-(3.4+1.25\u00d72.4) = 28 - (3.4 + 3) = 28 - 6.4 = 21.6
42. 2.55\u00d77.1+2.45\u00d77.1 = (2.55 + 2.45) x7.1 = 5 x7.1=35.5
43. 0.8\u00d7\u301415.5-(3.21+5.79)\u3015 = 0.8 x (15.5 - 9) = 0.8 x 6.5 = 5.2
44.\uff0831.8+3.2\u00d74\uff09\u00f75 = (31.8 + 12.8)\u00f75 = 44.6\u00f75 = 8.92
45. 31.5\u00d74\u00f7(6+3) = 126 \u00f7 9 = 14
46. 2\u00f72.5+2.5\u00f72 = 0.8 + 1.25 =2.05
47. 194\uff0d64.8\u00f71.8\u00d70.9 = 194 -36 x0.9 = 194-32.4 = 161.65180\uff0d705\u00d76 = 5180 - 4230=950
48. 24\u00f72.4\uff0d2.5\u00d70.8 =10 -2=8
49. 405\u00d7(3213-3189) =405x24 = 9720
59. 125\u00d7(97-81) =125x16 =2000
60. 6942+480\u00f73 = 6942 + 160 = 6782
61. 20+80\u00f74-20 = 20 + 20 -20 = 40 -20 = 20
62. 100\u00f7\uff0832-30\uff09\u00d70 = 100 \u00f72 x0= 50 x0 = 0
63. 25\u00d74-12\u00d75 = 100 - 60 = 40
64. 70\u00d7\u3014\uff0842-42\uff09\u00f718\u3015=70 x (0\u00f718) = 70x0 = 0
65. 75\u00d765+75\u00d735 = 75 x (65 +35) = 75x100 = 7500
66. 6-1.6\u00f74= 6- 0.4 = 5.6
67. 5.38+7.85-5.37= 13.23 - 5.37=7.86
68. 7.2\u00f70.8-1.2\u00d75=9 - 6 =3
69. 6-1.19\u00d73-0.43= 6-3.57 - 0.43 = 6- (3.57 + 0.43) = 6-4 = 2
70. 6.5\u00d7\uff084.8-1.2\u00d74\uff09= 6.5 x(4.8 - 4.8 )=6.5 x0 = 0
71. 0.68\u00d71.9+0.32\u00d71.9 = (0.68 + 0.32) x1.9 = 1 x 1.9 = 1.9
72. 10.15-10.75\u00d70.4-5.7 = 10.15 - 4.3 - 5.7 = 10.15 -(4.3 + 5.7)=10.15 - 10 =0.15
73. 5.8\u00d7\uff083.87-0.13\uff09+4.2\u00d73.74 = 5.8 x 3.74 +4.2 x 3.74 = (5.8 +4.2)x3.74 = 10 x 3.74 = 37.4
74. 32.52-\uff086+9.728\u00f73.2\uff09\u00d72.5 = 32.52 - (6+3.04)x2.5 = 32.52 - 9.02 x 2.5 = 32.52 -22.55 = 9.97
75.\uff08136+64\uff09\u00d7\uff0865-345\u00f723\uff09= 200x(65-15) = 200x 50=10000
76. 0.4\u00d7125\u00d725\u00d70.8 =(0.4\u00d725)\u00d7(125\u00d70.8)=10\u00d7100=1000
77. 1.25\u00d7(8+10) =1.25\u00d78+1.25\u00d710=10+12.5=22.5
78. 9123-(123+8.8) =9123-123-8.8=9000-8.8=8991.2
79. 1.24\u00d78.3+8.3\u00d71.76 =8.3\u00d7(1.24+1.76)=8.3\u00d73=24.9
80. 9999\u00d71001 =9999\u00d7(1000+1)=9999\u00d71000+9999\u00d71 =10008999
81. 14.8\u00d76.3-6.3\u00d76.5+8.3\u00d73.7 =(14.8-6.5)\u00d76.3+8.3\u00d73.7=8.3\u00d76.3+8.3\u00d73.7
82. 8.3\u00d7(6.3+3.7) =8.3\u00d710 =83
83. 1.24+0.78+8.76 =(1.24+8.76)+0.78 =10+0.78 =10.78
84. 933-157-43 =933-(157+43)=933-200=733
85. 4821-998 =4821-1000+2=3823
86. I32\u00d7125\u00d725 =4\u00d78\u00d7125\u00d725 =(4\u00d725)\u00d7(8\u00d7125)=100\u00d71000 =100000
87. 9048\u00f7268=(2600+2600+2600+1248)\u00f726=2600\u00f726+2600\u00f726+2600\u00f726+1248\u00f7269=100+100+100+48=348
88. 2881\u00f7 43 =(1290+1591)\u00f7 434=1290\u00f743+1591\u00f743=30+37
89. 1.8+18\u00f71.5-0.5\u00d70.3 =1.8+12-0.15=13.8-0.15=13.65
90. 6.5\u00d78+3.5\u00d78-47 =52+28-47=80-47
91. (80-9.8)\u00d75\u5206\u4e4b2-1.32 =70.2X2/5-1.32=28.08-1.32=26.76
92. 8\u00d77\u5206\u4e4b4\u00f7[1\u00f7(3.2-2.95)]=8\u00d74/7\u00f7[1\u00f70.25]=8\u00d74/7\u00f74=8/7
93. 2700\u00d7(506-499)\u00f7900 =2700\u00d77\u00f7900 =18900\u00f7900 =21
94. 33.02-(148.4-90.85)\u00f72.5=33.02-57.55\u00f72.5=33.02-23.02 =10
95. (1\u00f71-1)\u00f75.1 =(1-1)\u00f75.1 =0\u00f75.1 =0
96. 18.1+(3-0.299\u00f70.23)\u00d71=18.1+1.7\u00d71 =18.1+1.7 =19.8
97. 4.1/27+505/2727+131313/272727 =1/27+5*101/(27*101)+13*10101/(27*10101)=1/27+5/27+13/27=19/27
98. 6.5\u00d78+3.5\u00d78-47 =52+28-47=80-47
99. (80-9.8)\u00d75\u5206\u4e4b2-1.32 =70.2X2/5-1.32=28.08-1.32=26.76
100. 1.8+18\u00f71.5-0.5\u00d70.3 =1.8+12-0.15=13.8-0.15=13.65
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解题思路:四则运算规则(按顺序计算,先算乘除后算加减,有括号先算括号,有乘方先算乘方)即脱式运算(递等式计算)需在该原则前提下进行
解题过程:
82×27+27×28
=(82+28)×27
=110×27
=2970
扩展资料{竖式计算-计算过程}:先将两乘数末位对齐,然后分别使用第二个乘数,由末位起对每一位数依次乘上一个乘数,最后将所计算结果累加即为乘积,如果乘数为小数可先将其扩大相应的倍数,最后乘积在缩小相应的倍数；
解题过程:
步骤一:7×110=770
步骤二:2×110=2200
根据以上计算结果相加为2970
存疑请追问,满意请采纳
0.4×125×25×0.8
=（0.4×25）×（125×0.8）
=10×100=1000
1.25×（8+10）
=1.25×8+1.25×10
=10+12.5=22.5
9123-（123+8.8）
=9123-123-8.8
=9000-8.8
=8991.2
1.24×8.3+8.3×1.76
=8.3×（1.24+1.76）
=8.3×3=24.9
9999×1001
=9999×（1000+1）
=9999×1000+9999×1
=10008999
14.8×6.3-6.3×6.5＋8.3×3.7
=（14.8-6.5）×6.3＋8.3×3.7
=8.3×6.3+8.3×3.7
=8.3×（6.3＋3.7）
=8.3×10
=83
1.24+0.78+8.76
=（1.24+8.76）+0.78
=10+0.78
=10.78
933-157-43
=933-（157+43）
=933-200 =733
4821-998
=4821-1000+2
=3823
32×125×25
=4×8×125×25
=（4×25）×（8×125）
=100×1000
=100000 9048÷26
=（2600+2600+2600+1248）÷26
=2600÷26+2600÷26+2600÷26+1248÷26
=100+100+100+48
=348
2881÷ 43
=（1290+1591）÷ 43
=1290÷43+1591÷43
=30+37 =67 3.2×42.3×3.75-12.5×0.423×16
=3.2×42.3×3.75-1.25×42.3×1.6
=42.3×(3.2×3.75-1.25×1.6)
=42.3×(4×0.8×3.75-1.25×4×0.4)
=42.3×(4×0.4×2×3.75-1.25×4×0.4)
=42.3×(4x0.4x7.5-1.25x4x0.4)
=42.3×[4×0.4×(7.5-1.25)]
=42.3×[4×0.4×6.25]
=42.3×(4×2.5)
=423
1.8+18÷1.5-0.5×0.3
=1.8+12-0.15
=13.8-0.15
=13.65
6.5×8+3.5×8-47
=52+28-47 =80-47 =33 (80-9.8)×5分之2-1.32
=70.2X2/5-1.32
=28.08-1.32
=26.76
8×7分之4÷[1÷(3.2-2.95)]
=8×4/7÷[1÷0.25]
=8×4/7÷4
=8/7
2700×（506－499）÷900
=2700×7÷900
=18900÷900
=21
33.02－（148.4－90.85）÷2.5
=33.02－57.55÷2.5
=33.02－23.02
=10
（1÷1－1）÷5.1
=（1－1）÷5.1
=0÷5.1
=0
18.1＋（3－0.299÷0.23）×1
=18.1＋1.7×1
=18.1＋1.7
=19.8
这个脱式计算，非常的好非常的好。
11111111111111
有点看不懂
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绛旓細鑴卞紡璁＄畻渚嬪瓙瑙ｆ瀽82脳27+27脳28 瑙ｉ鎬濊矾:鍥涘垯杩愮畻瑙勫垯(鎸夐『搴忚绠,鍏堢畻涔橀櫎鍚庣畻鍔犲噺,鏈夋嫭鍙峰厛绠楁嫭鍙,鏈変箻鏂瑰厛绠椾箻鏂)鍗宠劚寮忚繍绠(閫掔瓑寮忚绠)闇鍦ㄨ鍘熷垯鍓嶆彁涓嬭繘琛 瑙ｉ杩囩▼:82脳27+27脳28 =(82+28)脳27 =110脳27 =2970
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绛旓細鑴卞紡璁＄畻鏄竴涓暟瀛﹀绉戞湳璇紝鍗閫掔瓑寮忚绠锛屾妸璁＄畻杩囩▼瀹屾暣鍐欏嚭鏉ョ殑杩愮畻锛屼篃灏辨槸鑴辩绔栧紡鐨勮绠椼傦紙1锛2/3+1/4+3/8 =16/24+6/24+9/24 =31/24銆傦紙2锛2/5+5/6-2/3 =12/30+25/30-20/30 =17/30銆傦紙3锛7/8-(5/12+1/3)=7/8-(5/12+4/12)=7/8-9/12 =7/8-6/8 =...
绛旓細17.2-4x=5.2 17.2-4x+4x-5.2=5.2+4x-5.2 4x=12 4x梅4=12梅4 x=3锛,1,鑴卞紡璁＄畻涓嬪垪鍚勯锛鑳界畝绠鐨瑕佺畝绠锛庯紙1锛2220梅37-23 锛2锛7.2脳4.5+2.8 锛3锛塠5/16]脳30+[5/16]脳2 锛4锛塠2/9]梅[[5/6]脳锛圼4/5]-[2/3]锛塢锛5锛17.2-4x=5.2 锛堣В鏂圭▼锛
绛旓細2. 鑴卞紡璁＄畻(鑳界畝绠楄绠绠)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 3. 姹傛渶涓嬪垪姣忕粍鏁扮殑鏈澶у叕绾︽暟涓庢渶灏忓叕鍊嶆暟 4% 24 鍜36 18銆24鍜40(鍙眰鏈灏忓叕鍊嶆暟) 4. 鏂囧瓧棰 6% 5/9涓7/18鐨勫拰,鍐嶅噺鍘1/2,缁撴灉鏄灏? 涓涓暟鍑忓幓7...
绛旓細1.鍏ㄩ儴鎹负灏忔暟 鍒 5.13脳0.6-4.63脳0.6=0.3 2.鍏ㄩ儴閫氬垎涓5鐨勫垎鏁 鍒 =3 3.锛1+999+110锛壝 3 鍒 = 370 4. 鍏ㄩ儴閫氬垎涓24鎴48鐨勫垎鏁 鍒 涓6
绛旓細鍏勾绾涓婂唽鑴卞紡璁＄畻棰樿兘绠绠锛瑕佺畝绠銆傜嚎涓婃眰寰堟ュ緢鎬ワ紝鍗佷竾鐏ワ紝椹 5.13脳3/5-4.63脳60% =锛5.13-4.63锛壝60% =0.5脳60% =0.3 1/5/锛堬紙2/3+1/5锛壝1/13锛 =1/5/锛2/3脳1/13+1/13脳1/5锛 =1/5脳3/2脳13+1/5脳13脳5 =3.9+13 =16.9 (...
