计算下面各题6.72÷1.25÷0.8
下面各题怎样算简便就怎样算.3.28×4.6+6.72×4.60.25×1.25×0.49.73×2.8-4.73×2.8.12.5×4+3.12÷1.225.2-(7....
下面各题怎样算简便就怎样算. 3.28×4.6+6.72×4.6 0.25×1.25×0.4 9.73×2.8-4.73×2.8. 12.5×4+3.12÷1.2 25.2-(7.8-2.6)×1.3 14.08÷[0.8×(7.93-2.43)].
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(1)3.28×4.6+6.72×4.6, =4.6×(拿李芦3.28+6.72), =4.6×10, =46; (2)0.25×1.25×0.4, =(0.25×0.4)×1.25,消带 =0.1×1.25, =0.125; (3)9.73×2.8-4.73×2.8, =2.8×(9.73-4.73), =2.8×5, =14; (4)12.5×4+3.12÷1.2, =50+2.6,扰敏 =52.6; (5)25.2-(7.8-2.6)×1.3, =25.2-5.2×1.3, =25.2-6.76, =18.44; (6)14.08÷[0.8×(7.93-2.43)], =14.08÷[0.8×5.5], =14.08÷4.4, =3.2.
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