12.5X7X0.8脱式计算,能简便的就简便?

2024-12-02 16:11:39
推荐回答(5个)
回答1:

等于(12.5×0.8)×7=10×7=70
所以结果等于70

回答2:

12.5×7×0.8
=12.5×0.8×7
=10×7
=70

回答3:

12.5×0.8×7=10×7=70

回答4:

12.5×7×0.8
=12.5×0.8x7
=10×7
=70

回答5: