Question

45×560+550×56怎么简便运算？

Answer 1

巧算45×560+550×56
解题思路：不能进行简便运算的按顺序计算，简便运算核心是运用加法和乘法各种定律进行计算，计算出整数部分方便后续计算的过程
解题过程：

45×560+550×56

=(45+56)×560

=100×560

=56000

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Answer 2

45X560+550X56
=45X10X56+550X56
=(45X10+550)X56
=1000X56
=56000

Answer 3

45×560+550×56
=45×10×56+550×56
=450×56+550×56
=56×（450+550）
=56×1000
=56000

Answer 4

45x560+550x56
=45x(10x56)+(55x10)x56
=45x10x56+55x10x56
=450x56+550x56
=(450+550)x56
=1000x56
=56000

Answer 5

=45*560+55*560
=（45+55）*560
=100*560
=56000