2÷1.5+2.5÷2=简便运算

2÷1.5+2.5÷2=简便运算
2025-05-04 22:43:57
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回答1:

2÷1.5+2.5÷2=简便运算
2÷1.5+2.5÷2
=2÷3/2+5/2÷2
=2*2/3+5/4
=4/3+5/4
=16/12+15/12=31/12