六年级分数简便运算,1/2÷4/5÷(2/9×3/8) (5/6-3/4)÷5/12÷9/5 3/7÷[5/7-(3/7+1/5)]
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发布时间:2022-05-05 07:28
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热心网友
时间:2023-10-15 09:21
1/2÷4/5÷(2/9×3/8)
=1/2 x 5/4 x9/2 x 8/3
=5/8 x 8/3 x 9/2
=5/3 x 9/2
=15/2
热心网友
时间:2023-10-15 09:22
1.1/2÷4/5÷(2/9×3/8)
=1/2×5/4÷1/12
=5/8×12
=15/2
=7.5
2.(5/6-3/4)÷5/12÷9/5 3/7÷[5/7-(3/7+1/5)]
热心网友
时间:2023-10-15 09:22
= =好难算的样子
热心网友
时间:2023-10-15 09:23
........
热心网友
时间:2023-10-15 09:21
1/2÷4/5÷(2/9×3/8)
=1/2 x 5/4 x9/2 x 8/3
=5/8 x 8/3 x 9/2
=5/3 x 9/2
=15/2
热心网友
时间:2023-10-15 09:22
1.1/2÷4/5÷(2/9×3/8)
=1/2×5/4÷1/12
=5/8×12
=15/2
=7.5
2.(5/6-3/4)÷5/12÷9/5 3/7÷[5/7-(3/7+1/5)]
热心网友
时间:2023-10-15 09:22
= =好难算的样子
热心网友
时间:2023-10-15 09:23
........