汽车的油箱里有30千克汽油,每千克汽油可供汽车行驶5.9千米,他中途要加油吗?
154×78154 18.7×3.118.7
1.14×0.860.86 4.69×0.994.69×1.2
0.49×9.449×0.094 9.6×0.980.96×98
(3.8+12.5)× =× ×8
(4.5×3.2)×=3.2×(×4) 3.2×2.5×12.5=×12.5×
56×13= 5.6×1.3=
0.056×1.3= 560×0.013=
5×0.5= 0.6×0.7= 4.4×0.1= 1.3×0.5=
1.2×4= 0.8×5= 8.5×10= 2.5×0.2=