65×123-24×65+65的简便计算
=65x(123-24+1)
=65x100
=6500
65×123-24×65+65的简便计算
=65×(123-24+1)
=65×100
=6500
65×123-24×65+65
=65×123-24×65+65*1
=65*(123+1-24)
=65*100
=6500
这个 可能给是这样对的呀啊,没很好放大
65×123-24×65+65
=65x(123-24+1)
=65x(123+1-24)
=65x(124-24)
=65x100
=6500