480÷60= 3.72+6.28= +×1=
235+99= ﹣= 12×÷12×=
+ =
90﹣40=
1.25×4=
100÷25=
9+2﹣5=
÷ ×7=
0.57+4.3=
×=
73×101=
-=
2.4÷0.1=
2.6×-×0.6=
145+398= 6-0.6= 0.24×50= 3﹣3÷7= (+)×56=
1.25×6×8= = = ÷0.75= ×4÷×4=
0.5÷5%= 0.75× = 2+3%= 3a×4a=
4.7+3= 8.4÷60%= 69×21≈ 1+ ÷1+ =
- = 0.92= 1.4× = 6× - =
÷ ×0= 0.25×125×40×0.8=