4.7+3= 8.4÷60%= 69×21≈ 1+ ÷1+ =
- = 0.92= 1.4× = 6× - =
÷ ×0= 0.25×125×40×0.8=
4.8÷24=
1.4÷70%=
×8=
(+)×30=
6.9+7=
×6.3=
49.01÷7≈
=
0.57+4.3=
×=
73×101=
-=
2.4÷0.1=
2.6×-×0.6=
1.5÷0.05= 8÷0.001= 2.2+8= 31.9-3.09= 3×4÷3×4=
× = 5- + = × = 0.12= 1÷ - ÷1=
5.2÷0.04= 1.32+0.8= 8 ÷8= 25+7.5=
51.51÷51= + ÷ = 1.5×2÷1.5×2= 149÷30≈