(4.4x7.5x4.8)除以91.5x2.5x2.4)简便运算
问题描述:
(4.4x7.5x4.8)除以91.5x2.5x2.4)简便运算
答
(4.4x7.5x4.8)除以(1.5x2.5x2.4)
=4.4*3/(1.5*2)
=4.4
答
(4.4x7.5x4.8)除以(1.5x2.5x2.4)
=(4.4x2.5x3x2.4x2)除以(1.5x2.5x2.4)
=(4.4x3x2)除以1.5
=(4.4x2x2x1.5)除以1.5
=4.4x2x2
=17.6