Question

用2.4乘0.5的积减去1.6除0.4的商差是多少？

Answer 1

（x÷0.4）-（2×5.3）=30.4x÷0.4-10.6=30.4x÷0.4=30.4+10.6x÷0.4=41x=41×0.4x=16.4

Answer 2

解:依据题意有,
2.4*0.5-0.4/1.6
=1.2-0.25
=0.95
答:用2.4乘0.5的积减去1.6除0.4的商差是0.95。