看谁算得又对又快．42÷3= 36×2= 84÷3= 96÷6=98÷49= 360÷12= 15×5= 17×4=66÷22= 21×7= 104÷4= 25×4=
直接写得数×6= 0÷= 1÷10%= 4﹣﹣=×5+×9=÷=÷6= 45×80%= 5÷5÷=×2÷×2=
计算﹣×÷÷+﹣÷90%﹣12.5% 48%× 25%÷．
直接写得数﹣= 8×=÷= 3.5=×=×6=
口算我最棒!÷3=﹣= 8÷=×8= 30×50%= 0.25×29×4= 6÷120%= 1﹣97%=
+= 8÷=×= 3÷= 4×==÷===
×6= 0÷
= 1÷10%= 4﹣
﹣
=
×5+
×9=
÷
=
÷6= 45×80%=
=
×2÷
﹣
×
÷
÷
+
﹣
÷90%
﹣12.5% 48%×
．
﹣
= 8×
=
÷
= 3.5
=
×
=
×6=
÷3=
﹣
= 8÷
×8= 30×50%=
+
= 8÷
=
×
=
= 4×
=
=
÷
=
=
=
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