Răspuns:
295+416+13x(715:13-45)
295+416+13x(55-45)
295+416+13x10
295+416+130
=841
13x(79-25)+(2104+820):86-29
13x54+2924:86-29
702+34-29
736-29
=707
(14570:62+15):50+79x103
(235+15):50+8137
250:50+8137
5+8137
=8142
5x230-7x(512:32+2^2)+4687:43
1150-7x(16+4)+109
1150-7x20+109
1150-140+109
1010+109
1119