如题所述
第1个回答 2017-12-26
简便运算
52x(83+159)
=52x242
=（50+2）x242
=50x242+2x242
=12100+484
=12584本回答被网友采纳
52x(83+159)
=52x242
=（50+2）x242
=50x242+2x242
=12100+484
=12584本回答被网友采纳
第2个回答 2017-12-26
52x(83+159) =（50+2）*242
=12100+484=12584
=12100+484=12584
