如题所述
第1个回答 2020-02-19
63X36+67X72
=63X36+67ⅹ36+70X36-3X36
=(63+67+70)X36-108
=7200-108
=7092本回答被网友采纳
=63X36+67ⅹ36+70X36-3X36
=(63+67+70)X36-108
=7200-108
=7092本回答被网友采纳
第2个回答 2023-03-09
63 X36 十63X72
=63 X(36 十72)
=63×100-63×2
=6300-126
=6174
=63 X(36 十72)
=63×100-63×2
=6300-126
=6174
第3个回答 2020-02-19
本回答被网友采纳
