Եվա Միքայելյան

Ա)10 x 4 = 40                 բ)100 x 7 = 700             գ)75 x 10 = 750             դ)9 x 100 = 900

10 x 40 = 400                100 x 8 = 800                    36 x 10 = 360               20 x 100 = 2000

10 x 36 = 360                 100 x 30 = 3000               40 x 10 = 400               35 x 100 = 3500

215.

Ա)4 x 10 + 2 x 18 = 76                 Բ)42 x (18 – 2 x 4) = 420          գ) (432 — 381) x (38 — 28) = 510

25 x (6 + 2 x 2) = 250                  5 x (75 + 5 x 5) = 500                  (524 — 514) x (27 + 36) = 630

(16 – 6) x 24 = 240                       60 : 6 x (4 x 8) = 320                  (603 — 598) x (37 + 63) = 1500