修改时间:2020-12-03 浏览次数:72 类型:同步测试 编辑
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× =16.8 × =1.68
13.354.5×3 2.76×1.52.76×0.55
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=
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