56×1.25=?3.4×7×1.5=?0.8×0.25×0.4×12.5=?递等式计算、要简便哦!有奖金!

56乘1.25=?3.4乘7乘1.5=?要简便计算 56×1.25=?3.4×7×1.5=?0.8×0.25×0.4×12.5=?递等式计算、要简便哦!有奖金! 2.02×8.5 56×1.25 3.4×7×1.5 0.8×0.25×02.02×8.5 56×1.25 3.4×7×1.5 0.8×0.25×0.4×12.5 1.6乘7.5乘1.25,56乘1.25,3.4乘7乘1.5.怎样简便计算? 小数乘法推广到小数 全对给50分!3.4×7×1.5 1.25+4.6+0.75 2.33×0.5×0.4×5 1.6×7.5×1.25= = ()除以1.25+3.4=4.2 简算 2.02×8.5 1.25＋4.6＋0.75 1.6×7.5×1.25简算2.02×8.5 1.25＋4.6＋0.751.6×7.5×1.25 56×1.25 3.4×7×1.5 0.8×0.25×0.4×12.5 简算,2.02×8.5 1.25+4.6+0.75 1.6x7.5×1.25简算,2.02×8.5 1.25+4.6+0.75 1.6x7.5×1.25 56×1.25 3.4×7×1.5 0.8×0.25×0.4×12.5 （照片） 简便计算 3.4×7×1.5 = = = 3.4×7×1.5和1.6×7.5×1.25怎么简便计算, 56×1.25 = = = 简便算法 X/1.5-1.25=0.75 20.8-(x-1.5)=1.25 简便计算:2.02×8.5 1.6×7.5×1.25 3.4×7×简便计算:2.02×8.5 1.6×7.5×1.25 3.4×7×1.5 1.5:3= ( ):3.4 化简 x-1.5x=56 x除以1.5-1.25=0.75 (x+1.25)/1.5=4 怎么解