8分之3x11分之9十11分之3x8分之2?

2026-05-18 20:47:50
推荐回答(2个)
回答1:

解:原式=3/11(9/8+2/8)
=3/11x11/8
=3/8

回答2:

3/8×9/11+2/11×3/8
=3/8×(9/11+2/11)
=3/8×1
=3/8