
脱式计算题
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脱式计算题
3/5×1/5÷3/5
=3/5÷3/5×1/5
=1/5
2/7-5/8×2/7
=(1-5/8)×2/7
=3/8×2/7
=3/28
1/4÷2/3+2/3÷4
=3/2÷4+2/3÷4
=(3/2+2/3)÷4
=13/6÷4
=13/24
1/3÷1/5+4/5
=5/3+4/5
=37/15
[1-(1/4+3/8)]÷1/4
=(1-5/8)×4
=3/8×4
=3/2
请采纳 谢谢
3/5×1/5÷3/5
=3/5÷3/5×1/5
=1/5
2/7-5/8×2/7
=(1-5/8)×2/7
=3/8×2/7
=3/28
1/4÷2/3+2/3÷4
=3/2÷4+2/3÷4
=(3/2+2/3)÷4
=13/6÷4
=13/24
1/3÷1/5+4/5
=5/3+4/5
=37/15
[1-(1/4+3/8)]÷1/4
=(1-5/8)×4
=3/8×4
=3/2
请采纳 谢谢
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