直接写出得数．①×1.6= ②0.8÷0.01= ③3.6÷40= ④÷=⑤+6.25= ⑥0.74×100= ⑦0.375÷= ⑧40×101=
直接写出得数 1﹣0.06= 5.7﹣4= 0.36+0.27= 10﹣2.3= 0.9+0.8= 6.8+0.7=0.52﹣0.42= 0.68×1000= 1.4﹣0.5= 4.7﹣2.8= 3.49+2.25= 43.5÷100=
笔算下面各题．（1）6.05﹣3.49 （2）7.2×0.15 （3）4.2÷4.5．
直接写出得数．5.1﹣2= 7.2÷1.2= 3.9×0.01= 98.4÷100=2.5×4= 2.6k﹣1.8k= 13b+2.7b= 0.34+0.45=
计算下面各题，并且验算．73.3﹣4.46 27.8×1.02354.36+47.7 0.24÷1.65060﹣485 12.48÷1.6．
口算题0.25×4= 4÷0.01= 3.5+7.5= （2.5﹣0.25）×4=0.96÷0.3= 7.3×0.01= 7.2÷0.12= 12.5×0.7×0.8=
×1.6= ②0.8÷0.01= ③3.6÷40= ④
÷
=
+6.25= ⑥0.74×100= ⑦0.375÷
= ⑧40×101=
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