Question

3. Completează numerele care lipsesc, apoi efectuează calculele.
a) (....+ 3) x 9 = (6 x 9) + (.... 9).

(6 + ....) x 5 = (....× .....) + (4 x....)

b)
(... - 7) .... = (15 x ....) - (7x3)

(12-5)×....=(12×....)-(5×8)


dau coroana la cine raspunde​

Answer 1

a) (6 + 3) x 9 = (6 x 9) + (3 x 9).

a) (6 + 4) x 5 = (6 × 5) + (4 x 5)

b) (15 - 7) x 3 = (15 x 3) - (7 x 3)

b) (12 - 5) x 8 = (12 x 8) - (5 x 8)