123×5.67+8.77×569,用简便计算.

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123×5.67+8.77×569,用简便计算.123×5.67+8.77×569,用简便计算.123×5.67+8.77×569,用简便计算.123×5.67+8.77×567=123×5.67+8

123×5.67+8.77×569,用简便计算.
123×5.67+8.77×569,用简便计算.

123×5.67+8.77×569,用简便计算.
123×5.67+8.77×567
=123×5.67+877×5.67
=(123+877)×5.67
=1000×5.67
=5670
同样的：
123×5.69+8.77×569
=123×5.69+877×5.69
=(123+877)×5.69
=1000×5.69
=5690

题目难道不是123×5.67+8.77×567 或者 123×5.69+8.77×569 ？
以下对上述两种情形进行求
123×5.67+8.77×567
=123×5.67+877×5.67
=(123+877)×5.67
=1000×5.67
=5670
同样的：
123×5.69+8.77×569
=123×5.69+877×5.69
=(123+877)×5.69
=1000×5.69
=5690

123×5.67+8.77×569,用简便计算. 123×5.67+8.77x567用简便运算 3.8*4.2+38*0.58怎么简便计算还有123+5.67+8.77*567怎么算. 简算 123乘5.67+8.77乘567要过程算要有简算过程 1.23^2+2.46*8.77+8.77^2等于什么 8.77+0.98+2.23?简便运算. 0.2×8.77×0.5简便计算 45.3×8.77-45.3+2.23×45.3 123+123+123×123 123? 123 +++++++123 123, 123+123+123+123 123 123 123 123