(315*40-364)⼀7用简便方法计算

2025-12-18 09:00:19
推荐回答(2个)
回答1:

(315×40-364)÷7
=315×40÷7-364÷7
=315÷7×40+52
=43×40+52
=1720+52
=1772

回答2:

算错了,正确答案是1748