能简算的要简算8⼀9×(5⼀9-1⼀4)×8⼀11 4⼀9×(3⼀10-5⼀6×3⼀10) 3⼀8×(3⼀5-1⼀3×3⼀10)

2024-12-05 07:34:02
推荐回答(2个)
回答1:

能简算的要简算
8/9×(5/9-1/4)×8/11
=8/9×(11/36×8/11)
=8/9×2/9
=16/81

4/9×(3/10-5/6×3/10)
=4/9×(3/10-1/4)
=4/9×1/20
=1/45

3/8×(3/5-1/3×3/10)

=3/8×(3/5-1/10)
=3/8×1/2
=3/16

回答2:

应该是522