101×0.87-0.91×87的简便方法
101×0.87-0.91×87的简便方法
101×0.87-91×0.87=0.87×(101-91)=0.87×10=8.7
用简便方法计算 101×0.87-0.91×87
(1.01-0.91)*87
104×0.87-0.91×87用简便方法
104×0.87-0.91×87
=104x0.87-91x0.87
=(104-91)x0.87
=13x0.87
=11.31
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101×0.87-0.91×87怎么简便计算
101×0.87-0.91×87
=101×0.87-91×0.87
=(101-91)×0.87
=10×0.87
=8.7
101*0.87-0.91*87咋么简便计算???
101*0.87-0.91*87
=101*0.87-0.91*100*0.87
=101*0.87-91*0.87
=(101-91)*0.87
=10*0.87
=8.7
希望你能看懂,望采纳,谢谢!
101×0.87-0.91×87简算
101×0.87-0.91×87简算
101×0.87-0.91×87
=(101-91)*0.87
=10*0.87
=8.7
101×0.87-0.91×87=?(要简算)
101x0.87-0.91x87
=101x0.87-91x0.87
=(101-91)x0.87
=10x0.87
=8.7
谢谢
101*0.87-0.91*27怎么算
101*0.87-0.91*27
=(100+1)*0.87-(100-9)*0.27
=87-27+0.87+0.9*2.7
=60+(1-0.13)+(1-0.1)*2.7
=60+1+2.7-0.13-0.27
=60+1+2.7-0.4
=63.3
101乘87的简便方法
101x87
=(100+1)x87
=100x87+1x87
=8700+87
=8787
考点 乘法分配律就是两个数相加(或相减)再乘另一个数,等于把这个数分别同两个加数(减数)相乘,再把两个积相加(相减),得数不变.用字母表示:(a+b)x c=axc+bxc (注:x是乘号),还有一种表示法:a(b+c)=ab+ac
101×87用简便方法
101×87
=(100+1)×87
=100×87+87
=8700+87
=8787