直接写得数
0.3÷
= 4﹣
=
×12=（4.2+
）×2×0=
3.7+5= 300×0.3%=
×
= 3×1
+3×=
1+
÷1+=（1
+
）÷
= 4×
×0.25= 0.125×32=
直接写出得数．
1﹣0.58= 24÷
= 1÷
×
= 25×0.4=
8+
=
×
=
÷2=
÷
=
直接写出得数．
27+68= 7.8﹣0.8= 6.3÷0.1=
+
+
=
1﹣
=
÷
=×28= 1.25×7×8=
口算下面各题．
56+37= 80﹣16= 5+5= 12﹣1.1=
2×0.2= 2.87÷0.7=
+
=
﹣
=
= 30÷50= 25×8=
+
=
= 12×
= 1÷
= 0×
=
直接写得数．
59×101= 100﹣38.72= 4÷0.04= 515÷5= 68+6.8=
×
=
×
=
﹣
=
÷
=