523×87+523×14-523等于多少简便计算&#65532?

2025-01-08 08:49:49
推荐回答(2个)
回答1:

523×(87+14-1)

=523×100

=52300

回答2:

523x87+523x14-523
=523x(87+14-1)
=523x100
=52300