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0.25×16.2×4 (1.25－0.125)×8 3.6×102 3.72×3.5＋6.28×3.5 15.6×2.1－15.6×1.1 4.8×10.1 4.8×7.8＋78×0.52（怎样变化？） 56.5×99＋56.5 7.09×10.8－0.8×7.09 1.87×9.9＋0.187 4.2×99＋4.2 1.25×2.5×32 3.83×4.56＋3.83×5.44 4.36×12.5×8 9.7×99＋9.7 27.5×3.7－7.5×3.7 0.65×101 3.2×0.25×12.5 3.14×0.68＋31.4×0.032 7.2×0.2＋2.4×1.4 8.9×1.01 7.74×（2.8－1.3）＋1.5×2.26 3.9×2.7＋3.9×7.3 12.7×9.9＋1.27 5.4×11-5.4 2.3×16+2.3×23+2.3 3.65×4.7－36.5×0.37 46×57＋23×86 2.22×9.9+6.66×6.7 101& |
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