Question

Вычислите удобным способом 12 x 17 + 35 x 13 + 17 x 23

Answer 1

12 x 17 + 35 x 13 + 17 x 23=

17×(12+23)+35×13=

17×35+35×13=

35 ×(17+13)=

35×30=1050

Answer 2

144+325х+391
535+325х