(3又3/11×25.8-3又3/11×16.76+18/35×19.6)×(1.25-7/12+5/36)×1/29
问题描述:
(3又3/11×25.8-3又3/11×16.76+18/35×19.6)×(1.25-7/12+5/36)×1/29
可以不简便运算但请赶快
答
=(36/11*25.8-36/11*16.76+18/55*2*5*1.96)*(45/36-21/36+5/36)
=36/11*(25.8-16.76+1.96)*29/36
=36/11*11*29/36
=29是18/35不是18/55
后面有×1/29
我没抄错题