直接写得数
200÷5= 630÷9= 24×20= 240÷8=
60×80= 30×11= 54+7= （20+29）÷7=
22×40= 0÷86= 76÷2= 80÷4+3=
相关试题
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口算．
0.24+6.9= 9.1﹣7.3= 1.2×6= 7.2+2.8=
31×3= 24×5= 1000÷8= 0.8×0.6=
1.25×4= 300÷50= 480÷0.6= 0.15×9=
3.4×0.7= 2.2×3= 0.2×1.1= 2.1÷0.3=
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