1楼:匿名用户
用excel做此题,符号对了就可以了,你复制我写的试试 =3.2*((13-2.6)/2+2.4)
2楼:匿名用户
3.2×【(13-2.6)÷2+2.4】
=3.2×【1.3x(10-2)÷2+2.4】=3.2×【1.3x8÷2+2.4】
=1.6×【1.3x8+2.4x2】
=1.6×【1.3x8+24x0.2】
=1.6×【1.3x8+8x3x0.2】
=1.6×【1.3x8+8x0.6】
=1.6x8x1.9
=16x8x0.19
=128x(0.2-0.01)
=25.6-1.28
=23.32
3.2×【(13-2.6)÷2+2.4】 怎么简便计算
3楼:谢绍林高山流水
3.2×【(13-2.6)÷2+2.4】
=3.2*(5.2+2.4)
=3.2*7.6
=24.32
3.52÷(2.3+3.2)×1.1怎么简便计算
4楼:yiyuanyi译元
3.52÷(2.3+3.2)×1.1=3.52÷5.5×1.1=3.52÷5÷.1.1×1.1=0.704
(3.2×1.5+2.5)÷1.6求简算!!!
5楼:你爱我妈呀
(3.2×1.5+2.5)÷1.6
=(4.8+2.5)÷1.6
=4.8÷1.6+2.5÷1.6
=3+1.5625
=4.5625
6楼:新野旁观者
简便计算
(3.2×1.5+2.5)÷1.6
=(4.8+2.5)÷1.6
=4.8÷1.6+2.5÷1.6
=3+1.5625
=4.5625
7楼:匿名用户
(3.2x1.5+2.4)÷1.6
=(4.8+2.4)÷1.6
=7.2÷1.6
=4.5
8楼:种延邹思远
(3.2×1.5+2.5)÷1.6
=3.21×1.5÷1.6+2.5÷1.6=2×1.5+25/16
=3+25/16
=4又16分之9
9楼:匿名用户
i楼力挽狂澜客人老咯鸡被杀退帮天气热污染环境了恐怕没人能听见邻居同居bi比赛看看热闹**节日
3/2-3/2÷(3/2+1/2)【简便运算】 10
10楼:快乐无限
=3/2-3/2x1/2
=3/2x(1-1/2)
=3/2x1/2
=3/4
希望能帮到你!
用递等式计算,能简便计算的用简便方法计算(1)37.7÷13+1.8×2.4(2)1.25×3.2×0.25(3)1.06×(2.9
11楼:商歌胖皆
(1)37.7÷13+1.8×
2.4,
=2.9+4.32,
=7.22;
(2)1.25×3.2×0.25,
=1.25×8×0.4×0.25,
=(1.25×8)×(0.4×0.25),=10×0.1,
=1;(3)1.06×(2.9+1.6)÷0.01,=1.06×4.5÷0.01,
=4.77÷0.01,
=477;
(4)6.27×5.2+5.8×6.27-6.27,=6.27×(5.2+5.8-1),
=6.27×10,
=62.7;
(5)50.5÷[(15.6-3.5×4)÷3.2],=50.5÷[(15.6-14)÷3.2],=50.5÷[1.6÷3.2],
=50.5÷0.5,
=101.
4/11×2/3+2/3÷(11/13)简便计算
12楼:蓝色狂想曲
4/11×2/3+2/3÷(11/13)
=4/11×2/3+2/3×(13/11)=(4/11+13/11)×2/3
=17/11×2/3
=34/33
13楼:青源
=4/11x2/3+2/3x13/11
=2/3x(4/11+13/11)
=2/3x17/11
=34/33
8888×8888÷(1+2+3+4+5+6+7+8+7+6+5+4+3+2+1)怎么算简便?
14楼:yzwb我爱我家
简便计算如下:
原式=8888×8888÷〔(1+7)×2+(2+6)×2+(3+5)×2+4+4+8〕
=8888×8888÷(8×8)
=(8888÷8)×(8888÷8)
=1111×1111
=1111×(1000+100+10+1)=1111000+111100+11110+1111=1234321
15楼:陈全民
原式=8888×8888÷64
=8888÷8×8888÷8
=1111×1111
=1234321
2.4×(5.2-2.6)÷0.8怎么简便
16楼:新野旁观者
2.4×(5.2-2.6)÷0.8
=2.4×2.6÷0.8
=2.4÷0.8×2.6
=3×2.6
=7.8