直接写出计算结果．6.7+4.3= 0.32= 12 = 3%×5%= 8÷0.02= ﹣ = = 3a×4a=

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6.7+4.3=	0.3²=	12 $\text{[math]}$ =	3%×5%=
8÷0.02=	$\text{[math]}$ ﹣ $\text{[math]}$ =	$\text{[math]}$ =	3a×4a=

1. (2015·泗洪) 直接写出计算结果．6.7+4.3= 0.32= 12 = 3%×5%= 8÷0.02= ﹣ = = 3a×4a=