计算:101×0.25+101×35%+101×2/5=?1/2×【1/5÷(1/4+1)】

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计算:101×0.25+101×35%+101×2/5=?1/2×【1/5÷(1/4+1)】计算:101×0.25+101×35%+101×2/5=?1/2×【1/5÷(1/4+1)】计算:101×0

计算:101×0.25+101×35%+101×2/5=?1/2×【1/5÷(1/4+1)】
计算:101×0.25+101×35%+101×2/5=?1/2×【1/5÷(1/4+1)】

计算:101×0.25+101×35%+101×2/5=?1/2×【1/5÷(1/4+1)】
101×0.25+101×35%+101×2/5
=101×(0.25+35%+2/5)
=101×1
=101
1/2×【1/5÷(1/4+1)】
=1/2×【1/5÷5/4】
=1/2×4/25
=2/25

1、=101(0.25+0.35+0.4)
=101

2、1/2×(1/5×4/5)
=2/25