Question

888×1.6+222×3.6用简便方法？

Answer 1

888×1.6+222×3.6
=222×4×1.6+222×3.6
=222×（6.4+3.6）
=222×10
=2220
乘法分配律的逆运算

Answer 2

888x1.6+222x3.6
=222ⅹ6.4+222x3.6
=222x（6.4+3.6）
=222x10
=2220

Answer 3

888×1.6+222×3.6=888+222×1.6×3.6=2166.72

Answer 4

111*8*1.6+111*2*3.6
=111*（8*1.6+2*3.6）
=111*20
=2220

Answer 5

888*1.6+222*3.6
=222*4*1.6+222*3.6
=222*（6.4+3.6）
=222*10
=2220