1.5×1= 910÷70= 2.2﹣1.9= 6÷7= 435+199=
+= -= ÷= 20×= ×=
100﹣62=
4.33+0.7=
0.2×0.3=
7.2÷0.9=
=
3.6+7.5=
202﹣98=
910÷13=
2.5×0.4=
+=
5-=
÷=
3÷2×=
5.6+2.3=
12﹣1.9=
-=
1.4÷0.2=
0.7×0.5=
4.18÷10=
0.25×4=
÷=
×=
1.25×0.8=
2.7×0.8×0=
3.14×3×0=
28.4+6=
+=
1÷=
2-=
4.25+5.75=
10﹣0.01=
0.8×0.4=
105×4=
27+68=
× =
72÷ =
6.3+0.1=
398×5≈
538÷9≈
52-30=
12×6=
5.6+7=
36+64=
×36=
45× 45
÷ ×
4.3÷60.43+0.6
① × = ②24× = ③3× = ④1﹣ =
⑤ ÷2= ⑥2÷ = ⑦ ÷ = ⑧0÷ =
36× = 12× = × = ×3=
1÷ = ÷6= ÷ = 100÷10%=