直接写得数．
1.2+0.8= 4﹣1.5= 5.6﹣0.8= 15×4= 2.7﹣0.7=
2.3﹣1.8= 9+3.3= 18×3= 0.9+0.3= 7+2.7=
10﹣6.2= 12×7= 120×30= 600×50=
直接写出得数
①1+53%= ②4+5.6= ③1﹣
= ④
﹣
=
⑤
÷
= ⑥3.9÷13= ⑦0.125×0.8= ⑧
×
=
直接写出得数．
4÷0.8= 0÷
= 1﹣
= 100×1%=
0.45×1000= 9÷
= 8.7﹣7=
+=
786﹣298= 3.14×8=
÷
= 25×0.7×4=
2﹣2÷3=（
﹣0.375）×5=
×
÷×= 75﹣2.1﹣2.9=
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=