8减去1/9除以1/3的商,所得的差再乘以1.8,积是多少?

问题描述:

8减去1/9除以1/3的商,所得的差再乘以1.8,积是多少?

*1.8=13.8

(8-1/9/1/3)*1.8=69/5=13.8

[8-(1/9÷1/3)]×1.8=13.8

13.8

我很负责任的告诉你,答案是:13.8
(8-1/9÷1/3)×1.8=(8-1/3)×1.8=(24/3-1/3)×1.8=23/3×1.8=13.8

(8-1/9/1/3)*1.8=15

得7.4

8-(1/9)/(1/3)*1.8=7.4

69/5 或13.8 也可

69/5