1.25*0.5*(0.8+0.8+0.8)咋么简便
第1个回答 2018-04-16
原式=1.25*(0.5*0.8*3)
=1.25*4*3
=5*3=15
=1.25*4*3
=5*3=15
第2个回答 2018-04-16
1.25*0.5*(0.8+0.8+0.8)
=1.25x0.5x0.8x3
=(1.25x0.8)x(0.5x3)
=1x1.5
=1.5本回答被网友采纳
=1.25x0.5x0.8x3
=(1.25x0.8)x(0.5x3)
=1x1.5
=1.5本回答被网友采纳
第3个回答 2018-04-16
1.25*0.5*(0.8+0.8+0.8)
=1.25×0.5×0.8×3
=(1.25×0.8)×(0.5×3)
=1.5
=1.25×0.5×0.8×3
=(1.25×0.8)×(0.5×3)
=1.5