Question

108×98+216的简便计算？

Answer 1

=108*98+2*108
=108*(98+2)
=108*100
=10800

Answer 2

108*98+216
=108*98+108*2
=108*（98+2）
=108*100
=10800

Answer 3

108×98+216
＝108×98+108×2
＝108×（98+2）
＝108×100
＝10800

Answer 4

108x98+216
=108x98+108x2
=108x(98+2)
=108Ⅹ100
=10800

Answer 5

108×98＋216
＝108×98＋108×2
＝108×（98+2）
＝108×100
＝10800