5⼀7x4⼀3+2⼀7x4⼀3,请问这题怎么做,谁能告诉我一下,谢谢

2025-03-21 22:29:36
推荐回答(2个)
回答1:

5/7x4/3+2/7x4/3
=(5/7+2/7)x4/3
=1x4/3
=4/3

回答2:

5/7x4/3+2/7x4/3
=(5/7+2/7)×4/3
=1×4/3
=4/3