直接写得数 ﹣ = + =6× =2﹣ = × = × = × = + + =

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$\text{[math]}$ ﹣ $\text{[math]}$ =	$\text{[math]}$ + $\text{[math]}$ =	6× $\text{[math]}$ =	2﹣ $\text{[math]}$ =
$\text{[math]}$ × $\text{[math]}$ =	$\text{[math]}$ × $\text{[math]}$ =	$\text{[math]}$ × $\text{[math]}$ =	$\text{[math]}$ + $\text{[math]}$ + $\text{[math]}$ =

1. 直接写得数 ﹣ = + =6× =2﹣ = × = × = × = + + =