求12.5x0.25x3.2和12.5x4.5+4.5x12.5+12.5的简便计算快明天就没用了!

来源：学生作业帮编辑：大师作文网作业帮分类：数学作业时间：2024/11/11 23:29:55

12.5×0.25×3.2
=12.5×0.25×4×0.8
=(12.5×0.8)×(0.25×4)
=10×1
=10
12.5×4.5+4.5×12.5+12.5
=12.5×(4.5+4.5+1)
=12.5×10
=125

求12.5x0.25x3.2和12.5x4.5+4.5x12.5+12.5的简便计算快明天就没用了! 用简便方法计算12.5x4.5+4.5x12.5+12.5 0.8x0.25x0.4x12.5简便计算啊求3.95加1.2x5.2和2.3x4.8x0.5的简便计算, 数学题解答用简便方法计算下面各题.2.5x4.4 32x0.25x12.5 3.64x0.8+6.36x0.8-3.8 12.5x0.25x3.2如何简便运算 0.8x9.5x12.5x0.2等于递等式简便计算 12.5x0.38+1.25x4.2+0.125x20如何用简便方法计算 0.125x4.8x0.25 简便计算计算1/1X3+1/2X4+1/3X5+.+1/10X12 怎么求M序列的反馈特征多项式为F(X)=1+x2+x3+x4+x8和 F(X)=1+x+x4+x5+x12; 2/5x4+1/5x2/13+2/5x12/13 简便算法

求12.5x0.25x3.2和12.5x4.5+4.5x12.5+12.5的简便计算 快明天就没用了!