一组有8名同学，4组共有多少名同学？
直接写得数．+= 3﹣1.75=÷=×=×=÷=÷=×0+3=（+）×=
直接写出得数．+=﹣=×2=×=÷3×÷3== 12×=×14=÷4=+÷+=
直接写得数+= 3+1.75=÷=×=×=﹣=+=×0+3= （+）×=×÷×=
口算下面各题．﹣=+=﹣= 2÷=×6=÷=×6=×=﹣=÷=÷=×=×=÷=÷= 6.4÷0.08= 4﹣2.92=÷=
直接写得数： 1﹣=×=÷2÷= 2×80%=+= 15÷= 35×=×÷×=
+
= 3
﹣1.75=
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= 6.4÷0.08= 4﹣2.92=
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= 15÷
= 35×
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×
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