66乘以98 怎么简便计算
kuaidi.ping-jia.net 作者:佚名 更新日期:2024-07-11
66×98 66×2用简便计算怎么算法
66×98
=66×(100-2)
=66×100-66×2
=6600-132
=6468
66x98+66x2
=66x(98+2)
=66x100
=6600
原式=(100-2)x66=100x66-2x66=6600-132=6468. 谢谢。
66x98 =66x(100-2) =66x100-66x2 =6600-132 =6468 谢谢采纳66×98
=66×(100-2)
=66×100-66×2
=6600-132
=6468