0.48÷0.3= 2.5×40= 7÷19=
11×11-11=
4.8÷24=
1.4÷70%=
×8=
(+)×30=
6.9+7=
×6.3=
49.01÷7≈
=
19﹣1.7= 2.4÷0.04= 496+298= ×0.2=
9.7+0.03= ÷1.75= 1×÷= +÷+=
+ =
90﹣40=
1.25×4=
100÷25=
9+2﹣5=
÷ ×7=
列式是:。
145+398= 6-0.6= 0.24×50= 3﹣3÷7= (+)×56=
1.25×6×8= = = ÷0.75= ×4÷×4=
4.7+3= 8.4÷60%= 69×21≈ 1+ ÷1+ =
- = 0.92= 1.4× = 6× - =
÷ ×0= 0.25×125×40×0.8=