Question

简便运算怎么做？

5.6*1.4/0.49这简便运算

Answer 1

5.6*1.4/0.49这简便运算
=5.6/0.49x1.4
=560/49x1.4
=80/7x1.4
=80×0.2
=16

Answer 2

5.6×1.4÷0.49
=0.7×8×0.7×2÷0.49
=0.7×0.7÷0.49×8×2
=0.49÷0.49×16
=16