Question

7.2+3.6x98怎么简便计算？

Answer 1

=3.6×2+3.6×98
=3.6×(2+98)
=3.6×100=360 以上为简便计算过程。

Answer 2

=>7.2+(3.6x100 - 3.6x2）;
=>7.2+(360-7.2)
=>360

Answer 3

7.2+3.6×98
=7.2+3.6×（100-2）
=7.2+360-7.2
=360