11⼀25×9⼀13+4⼀25×11⼀13答案是多少?

2025-02-24 01:24:22
推荐回答(1个)
回答1:

11/25×9/13+4/25×11/13
=9/25×11/13+4/25×11/13
=11/13×(9/25+4/25)
=11/13×13/25
=11/25