вычисли удобным способом

(10+8)*6
9*(30+70)
(51+29)*4
(300+20)*3
5*(20+6)
(60+9)*7
8*(65+35)
100*(47+29)

1)(18)*6........108
2)9*(100)........900
3)(80)*4.......320
4)(500)*3......1500
5)5*(26)......130
6)(69)*7........483
7)8*(100).........800
8)100*(76).......7600