7.2×1.25的简便运算

卢钢服1279七点二乘一点二五的简便运算? -
钱雨高13219108507 ______ 简便计算 7.2x1.25 =9x0.8x1.25 =9x(0.8x1.25) =9x1 =9

卢钢服12792.04*0.25*7.2*1.25 简便算法是什么啊 急~~~~~~ -
钱雨高13219108507 ______ 2.04*0.25*7.2*1.25 =0.51*4*0.25*0.9*8*1.25=0.51*1*0.9*10=0.51*9=4.59

卢钢服12797.2 - 1.25简便方法计算 -
钱雨高13219108507 ______ 7.2-1.25 =7.2-1.2-0.05 =6-0.05 =5.95

卢钢服12791.25*7.2的简算 -
钱雨高13219108507 ______ 1.25 * 7.2 = 1.25 * (8 * 0.9) = 1.25 * 8 * 0.9 = 10 * 0.9 = 9

卢钢服12797.2÷1.25简算? -
钱雨高13219108507 ______ 7.5÷1.25 =7.5÷(10÷8) =7.5÷10*8 =60

卢钢服12797*1.25=简便运算7*1.25简便运算 -
钱雨高13219108507 ______[答案] 7*(1+0.25)=7+1.75=8.75

卢钢服12797.2乘以1.25除以8简算 -
钱雨高13219108507 ______ 7.2/8X1.25=0.9X1.25=1.125

卢钢服12797.2+1.25x7.2x8简便方法怎么算 -
钱雨高13219108507 ______ 你好!7.2+1.25*7.2*8=7.2+7.2*(1.25*8)=7.2+7.2*10=7.2+72=79.2 仅代表个人观点,不喜勿喷,谢谢.

卢钢服12797.2÷1.25÷8用简便算法 -
钱雨高13219108507 ______ 7.2÷1.25÷8=7.2÷(1.25*8)=7.2÷10=0.72

卢钢服12798x7.2x1.25怎么简便计算? -
钱雨高13219108507 ______[答案] =8*1.25*7.2 =10*7.2 =72