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7.2÷1.6+0.8(脱式计算)

7.2÷1.6+0.8 =( 7.2÷8) ÷( 1.6÷8)+0.8 =0.9 ÷0.2+0.8 = 4.5+ 0.8 =5.3

7.2÷1.6+0.8脱式计算 解: 7.2÷1.6+0.8 =4.5+0.8 =5.3

7.2÷1.6+ 0.8 =4.5+0.8 =5.3

7.2÷1.6+0.8 =4.5+0.8 =5.3

175-75÷25 68+35×13 725-(125+237) (114+166)÷35 432÷(9×8) 189-60+40 三、简便计算。 216+305 25×32 47+236+64 6×(15×9) 402+359 43+78+122+257 25×(26×4) 25×44 354+(229+46) (1)9.26-4.38-2.62 (2)9.26-(4.3...

7.2/1.6+0.8 =72/16+0.8 =9/2+0.8 =4.5+0.8 =5.3

7.8×1.6-7.8×0.6 =7.8x(1.6-0.6) =7.8x1 =7.8

175-75÷25 68+35×13 725-(125+237)(114+166)÷35 432÷(9×8) 189-60+40 三、简便计算。 216+305 25×32 47+236+64 6×(15×9) 402+359 43+78+122+257 25×(26×4) 25×44 354+(229+46)(1)9.26-4.38-2.62 (2)9.26-(4.38+...

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