Реши с проверкой. 620+350. 760+230. 480-280. 930-520. 910-780. 350+210. 1000-850. 210+720

Question

Реши с проверкой. 620+350. 760+230. 480-280. 930-520. 910-780. 350+210. 1000-850. 210+720

Answer 1

970,990,200,410,130,470,150,930

Answer 2

620+350=970 760+230=990 480-280=200 930-520=410 910-780=130 350+210=460 210+720=930 1000-850=150