3.5×16= 0.35×1.6= 3.5×1.6=
45×0.8745 5.65.6×1.9 9.5×1.029.5
12.4×0.0512.4 1.245×1.2 2.34×10.423.4×1.04
3.5×0.2= | 5.4×0= | 6×0.15= | 0.04×0.5= | 1.2×0.4= |
0.15×4= | 1.25×8= | 3.9×0.1= | 2.5×0.8= | 0.5×0.6= |
0.74×9 1.06×8 0.045×0.08 0.86×5.4(得数保留两位小数)
3.4×7×1.5 3.6×2.5+0.4×2.5 0.6×2.33×5
4.65×99+4.65 56×1.25 1.35+7.8+2.65
A₁( , )
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