直接写出得数． + = 3.9× = 9÷ = 6﹣ = × = 2+

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$\text{[math]}$ + $\text{[math]}$ =	3.9× $\text{[math]}$ =	9÷ $\text{[math]}$ =	6﹣ $\text{[math]}$ =
$\text{[math]}$ × $\text{[math]}$ =	2+ $\text{[math]}$ =	$\text{[math]}$ ﹣ $\text{[math]}$ =	3÷1%=

1. 直接写出得数． + = 3.9× = 9÷ = 6﹣ = × = 2+ = ﹣ = 3÷1%=