发布网友 发布时间:2022-04-22 09:42
共2个回答
热心网友 时间:2023-09-17 06:16
=3/7x5/9+2/7
=1/7(5/3+2)
=1/7x11/3
=11/21
=3/11x5+6/22
=3/11x5+3/11
=3/11x6
=18/11
=9/10x2/3+1/2
=3/5+1/2
=6/10+5/10
=11/10
=3/10x(5/7-10/21)
=3/10(15/21-10/21)
=3/10x5/21
=1/14
希望能帮你忙,不懂请追问,懂了请采纳,谢谢
热心网友 时间:2023-09-17 06:17
递等式计算怎么算!