4.4加4.4乘12加13乘5.6简便运算怎么算

题目

4.4加4.4乘12加13乘5.6简便运算怎么算

答案

4.4+4.4x12+13x5.6
=4.4x(1+12)+5.6x13
=4.4x13+5.6x13
=(4.4+5.6)x13
=10x13
=130