79ᘧ࿾42+79ᘧ࿾79ᘧ࿾56用递等式怎么计算?

2025-02-03 08:58:57
推荐回答(1个)
回答1:

递等式计算过程方法如下
解:79×42+79×79×56
=3318+6241×56
=3318+349496
=352814