3.14×3×0=
28.4+6=
+=
×=
1÷=
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=
×80=
60÷=
3.4﹣1.52=
0.25×44=
6.12+3.78=
35×=
0.25×24×4=
×+×=
①
②
③
④
1.5×1= 910÷70= 2.2﹣1.9= 6÷7= 435+199=
+= -= ÷= 20×= ×=
1÷0.25= += ×24= +=
﹣= 470×0.02= 10÷= 6×0=
1.5×80= ÷2= ×= ÷0.125=