无
*注意事项：
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
4.5×2.1= 0.045×210= 0.45×=0.945
5.5×0.02=
0×0.964=
0.5×2.4=
40×0.09=
0.8×0.04=
0.36×2=
3.3×0.3=
0.125×0.8=
0.8×0.7=
0.14×0.3=
3.2×0.3=
0.16×0.5=
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)
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
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