5.7×1.015.7 8.4×48.4×3 8.6×1386×1.3
0.76×0.340.76 8.66×1.08.66 7.5×0.310.31×7.5
例:193.5=4.5 43=45 4.3
①19.35= =
②1.935= =
朝代
“一仞”约合现在的长度
周
18.4dm
汉
16.1dm
30×0.23= 5.6×0.5= 12.5×0.4= 0.01×0.1=
17.8×5.6+12.2×5.6
198×0.37
1.25×32×2.5
(0.69+0.43)×0.12
0.87×5.6+6.23
35.4×99+35.4
15.8×51.4=
4.8×0.532=
1.35×2.8=
1.08×9.5=
35.6×5.06≈(得数保留一位小数)
0.74×0.75≈(得数精确到百分位)
⑴3km内收6元;
⑵超过3km的部分,每千米收1.6元.(不足1km按1km计算).
王老师打车到学校上班,行驶了4.5千米,那么他应该付给司机多少钱?