2⼀9乘以3⼀8除以6⼀7用简便方法计算这道题,t九三,九

2025-05-16 23:55:44
推荐回答(2个)
回答(1):

回答(2):

2/9×3/8÷6/7
=2/9×3/8×7/6
=6/72×7/6
=7/72