(81+27 )除以(45-36)怎么简算
问题描述:
(81+27 )除以(45-36)怎么简算
答
=(81+27)/9
=81/9+27/9
=9+3
=12
(81+27 )除以(45-36)怎么简算
=(81+27)/9
=81/9+27/9
=9+3
=12