+ или -? 1)67..6...8=65 93...8...7=92 81...9...6=84 2)43...20...8=71 59...30...20=69...

Question

+ или -? 1)67..6...8=65 93...8...7=92 81...9...6=84 2)43...20...8=71 59...30...20=69 56...6...8=70

Answer 1

1) 67+6-8   93-8+7  81+9-6=84  2)43+20+8=71   59-20+30   56+6+8=70