相关试题
口算．
132÷4= 3.8﹣1.4= 525+175= 10.7+1.3=
40×50= 
= 1﹣
= 515÷5=
84÷4= 
= 0.7﹣0.5+0.2= 12+8×30=
= 
= 
= 81×9≈
+
= 30×23= 630÷3= 480÷2=
﹣
= 50×80=直接写得数.
9800÷1400= 0.375+
= 1÷10%= 0.35×7×2= 3﹣
÷0.75=
﹣
= 1.6﹣1.6×0.1= 0.12= 5.2×0×2.3= 5.2﹣2.61=
= 
= 
= 
=
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