直接写得数．25+37=70﹣34=4×0.25=6÷ =12.3+1.23= ﹣ = × = ÷ =

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25+37=	70﹣34=	4×0.25=	6÷ $\text{[math]}$ =
12.3+1.23=	$\text{[math]}$ ﹣ $\text{[math]}$ =	$\text{[math]}$ × $\text{[math]}$ =	$\text{[math]}$ ÷ $\text{[math]}$ =

1. (2014·罗源) 直接写得数．25+37=70﹣34=4×0.25=6÷ =12.3+1.23= ﹣ = × = ÷ =