9.36÷1.2×9.9+0.78怎么简算?

2025-04-12 05:30:40
推荐回答(2个)
回答1:

9.36÷1.2×9.9+0.78
=9.6÷1.2X9.9-0.24÷1.2X9.9+0.78
=8X9.9-0.2X9.9+0.78
=8X10-8X0.1-1.98+0.78
=80-0.8-1.2
=80-2
=78

回答2:

从左到右死算真的很简单