直接写得数．600×40= 3000÷5= 720+58= 190×5=12×300= 20×35= 13×11= 210÷7=
直接写出得数．==== 2÷3====
+=﹣=×= 14÷=÷=×=÷= 6×=
直接写得数： 1﹣= 9×=÷2=÷== 1=×1.3=×=
直接写出下面各题的得数．÷=== 1.25×0.8=== 1﹣30%= 5.4÷0.3= 9﹣0.56=
直接写出得数．﹣=÷6=÷= 6×=×=﹣=×=÷=
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