能简算要简算． 50×（ + ）= 5﹣ ﹣ = ÷7+ × = ×[（ ﹣ ）×36]=

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50×（ $\text{[math]}$ + $\text{[math]}$ ）=	5﹣ $\text{[math]}$ ﹣ $\text{[math]}$ =	$\text{[math]}$ ÷7+ $\text{[math]}$ × $\text{[math]}$ =
$\text{[math]}$ ×[（ $\text{[math]}$ ﹣ $\text{[math]}$ ）×36]=	5﹣ $\text{[math]}$ × $\text{[math]}$ ﹣ $\text{[math]}$ =	$\text{[math]}$ +0.25+ $\text{[math]}$ +75%=

1. 能简算要简算． 50×（ + ）= 5﹣ ﹣ = ÷7+ × = ×[（ ﹣ ）×36]= 5﹣ × ﹣ = +0.25+ +75%=