= 
×
= 0.375+1= （
）×12= 
×5.6=
+0.5= 93×
= 相关试题
能简便计算的要简算
（1）（12.5﹣1.25）×8
（2）5.7×18.34﹣57×0.834
（3）38.7×0.412+5.88×3.87
（4）5.64+99×5.64
（5）20.1×35.22﹣3.522
（6）20.9﹣0.9×2.5．
口算
0.1×9.02= 1.6×3= 1.2×0.6= 100÷200= 6.2×0.3=
0.7+7.32= 0.6×07= 2.8÷70= 0.9×0.4= 2.1÷7÷0.1=
=
=
=
=
=
=
=
=
=
粤公网安备 44130202000953号