关于100道简便计算和答案 100道简便计算,及答案。

www.zhiqu.org     时间: 2024-06-01
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
I32×125×25
=4×8×125×25
=(4×25)×(8×125)
=100×1000
=100000
9048÷268
=(2600+2600+2600+1248)÷26
=2600÷26+2600÷26+2600÷26+1248÷269
=100+100+100+48
=348
2881÷ 43
=(1290+1591)÷ 434
=1290÷43+1591÷43
=30+37
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)
=4237
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
(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
还有的从书上找吧 已经写了21道了 赞同1| 评论 2011-2-11 16:44 知道778811 | 一级
小学六年级简便计算
1.(1/69+2/71)乘23+25除以71
=1/69*23+2/71*23+25/71
=1/3+(46/71+25/71)
=1/3+1
=4/3
2.(1+1/2)乘(1-1/2)乘(1+1/3)乘(1-1/3)乘.乘(1+1/9)乘(1-1/9)
=3/2*1/2*4/3*2/3...*10/9*8/9
=1/2*10/9(中间的都约去了)
=5/9
3.1/2乘3+1/3乘4+.+1/19乘20
=1/2-1/3+1/3-1/4+...+1/19-1/20
=1/2-1/20
=9/20
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
5.100-98+96-94+.+4-2
=(100-98)+(96-94)+...(4-2)
=2+2+...+2(共有25个)
=2*25
=50

360÷24
=360÷6÷4
=60÷4
=15

关于100道简便计算和答案~

27+456+73
=(27+73)+456
=100+456
=556




24÷4+56÷4
=(24+56)÷4
=80÷4
=20

2.5×0.7×0.8
=(2.5×0.8)×0.7
=60×0.7
=42

300÷125÷8
=300÷(125×8)
=300÷1000
=0.3
396-96-172-28
=(396-96)-(172+28)
= 300-200
= 100
125*24
= 125*8*3
= 1000*3
= 3000
26*15
= (20+6)*15
= 20*15 + 6*15
= 300+90
=390
25*99*4
= 25*4*99
= 100*99
= 9900
250*32
= 250*4*8
= 1000*8
= 8000
(98+98+98+98)*25
= 4*98*25
= 4*25*98
= 100*98
= 9800


#易柳爸# 四年级下册简便计算有答案 -
(17216495051): 3800÷25÷4 39ⅹ99 7000÷56 27ⅹ101 190÷(19ⅹ2)456-(56+118) 102ⅹ45 37X101-37 4.12+3.88+3.44+2.56 32X25Ⅹ24 24.72-5.28-4.72 8.25+6.84+0.10+0.75 101Ⅹ97 88Ⅹ1+11Ⅹ12 (99+1)X99 88Ⅹ72+88Ⅹ28 99X82+12X99 152-31-21 99Ⅹ101 65Ⅹ99 4.3+7.6+5.7+4.3 1000÷125÷8 268-52-48 37+125+63+175

#易柳爸# 四下简便运算7道题,带答案 -
(17216495051): 常见以下几类题型: 一、运用加法结合律进行简算 (a+b)+c=a+(b+c) 或a+b+c+d=(a+c)+(b+d) 例1、5.76+13.67+4.24+6.33 =(5.76+4.24)+(13.67+6.33) =10+10 =20 例2、37.24+23.79-17.24 =37.24-17.24+23.79 =20+23.79 =43.79 二、运用乘...

#易柳爸# 六年级的简便运算带答案的 -
(17216495051): 84*36+64*84 =84*(36+64) =84*100 =8400 83*102-83*2 =83*(102-2) =83*100 =8300 123*18-123*3+85*123 =123*(18-3+85) =123*100 =12300

#易柳爸# 小学计算题100道!~有答案的哦 -
(17216495051): 脱式计算.408-12*24 (46+28)*60 42*50-1715÷532+105÷5 (108+47)*52 420*(327-238)(4121+2389)÷7 671*15-974 469*12+1492 405*(3213-3189) 5...

#易柳爸# 六年级上册数学简便计算及答案 -
(17216495051): 2.8*4/5+8.2*4/5-4/5 =(2.8+8.2-1)*4/5 =10*4/5 =8 你好,本题已解答,如果满意 请点右下角“采纳答案”.

#易柳爸# 五年级下数学简便计算题 -
(17216495051): 班级: 姓名: 一、口算下面各题.(23分) 10-2.65= 0.9*0.08= 528-349= 6+14.4= 24÷0.04= 12.34-2.3= 0÷3.8= 0.77+0.33= 7÷1.4= 67.5+0.25=7.2÷8*4= 5-1.4-1.6= ...

#易柳爸# 三年级下册简便运算加答案和过程急要!!要126道!!
(17216495051): 125*88=125*8*11=1000*11=11000

#易柳爸# 五年级简便计算题带答案 -
(17216495051): 12*23= 13*26=

#易柳爸# 2+4+6+8+10+2006+2008简便计算答案 -
(17216495051): (2+2008)x1004/2=1009020

#易柳爸# 我要简便运算及答案
(17216495051): (1)1-二分之一-三分之一 =1-5/6=1/6 (2)三分之一÷五分之六*十分之九 =1/3*5/6*9/10 =5/18*9/10=1/4 (3)36*(九分之二 十二分之七) =36*九分之二 36*十二分之七) =8 21=29 (4)(7.5 2.5)÷0.25 =10÷0.25 =40 (5)4÷25=0.16 (6)4÷125=0.032 (7)199*...