2- = 4.9× = ÷ = ×10=
× = 3.3× = ×12.5= 1÷ =
100×2.5%= 6.8÷10%= 1-35%= × ÷ × =
验算:
B汽车行驶的路程与耗油量关系表
路程/km
20
40
60
80
耗油量/L
3
6
9
12
÷3= 1+40%=
:8= 0.62= 0.8×0.25= 10-0.01= ( )×0.4=1