8.56+7.5+2.44-2.5 0.35*2.4 8.56-7.5+2.44-2.5 3.78/2.5/0.4用简便方法计算

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8.56+7.5+2.44-2.50.35*2.48.56-7.5+2.44-2.53.78/2.5/0.4用简便方法计算8.56+7.5+2.44-2.50.35*2.48.56-7.5+2.44-

8.56+7.5+2.44-2.5 0.35*2.4 8.56-7.5+2.44-2.5 3.78/2.5/0.4用简便方法计算
8.56+7.5+2.44-2.5 0.35*2.4 8.56-7.5+2.44-2.5 3.78/2.5/0.4用简便方法计算

8.56+7.5+2.44-2.5 0.35*2.4 8.56-7.5+2.44-2.5 3.78/2.5/0.4用简便方法计算
8.56+7.5+2.44-2.5 = (8.56 + 2.44) + (7.5-2.5) = 11 + 5 = 16
0.35*2.4 = 0.7 * (0.5*2.4) = 0.7 * 1.2 = 0.84
8.56-7.5+2.44-2.5 = (8.56 + 2.44) - (7.5+2.5) = 11 - 10 = 1
3.78/2.5/0.4 = 3.78/ (2.5*0.4) = 3.78

8.56+7.5+2.44-2.5 0.35*2.4 8.56-7.5+2.44-2.5 3.78/2.5/0.4用简便方法计算简便计算 2.5+7.5-2.5+7.5 7.5*46.7+59.9*2.5 7.5+2.35-7.5+2.5的简便计算 7.5除以2.5+7.5除以7.5 简便计算的过程用简便计算.加:2.5+7.5-2.5+7.5 7.5*13+31*2.5咋简算 0.85*16-2.5+7.5简算巧算28.45-7.5+2.55+2.5 7.5:2.5比值是几 7.5*2.3+1.9*2.5(简算) 2.5×3=7.5,要想使积变成0.75,应怎样改变乘法算式中的乘数?请写出五道积为0.75的乘法算式,如；0.25×3=0. 2.5 ×7.8+7.4×7.8+0. 换热器设计压力2.5/0. 已知13.5x-7.5=53.25,求2.5x+7.5 7.5*98+99*2.5+7.5怎么巧算 7.5×8.88+2.22×7.5+2.5×11.1= 【简便运算, 2.5比7.5等于多少比多少?