-丨-(2⼀3)-(-1⼀3)丨+丨(-5⼀1)+(-3⼀3)丨急急急!!!

2025-01-01 22:12:22
推荐回答(2个)
回答1:

解:-丨-(2/3)-(-1/3)丨+丨(-1/5)+(-3/5)丨
=-1/3+4/5
=(-5+12)/15
=7/15

回答2:

=-1/3+4/5
=(-5+12)/15
=7/15