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a) (20 + 15):5=
(40 + 16): 8 =
(36 +27): 9 =
(42 + 14):7=
175. Efectuati in două moduri:
b) (35 + 14): 7 = Exemplu: a) (21 + 9): 3 = 21:3+9:3
(36 +24): 6 =
= 7 + 3
= 10
(24 + 32): 8 =
(72 + 18): 9 =
b) (21 + 9): 3 =
30 : 3 = 10​


A 20 15540 16 8 36 27 9 42 147175 Efectuati In Două Modurib 35 14 7 Exemplu A 21 9 3 2139336 24 6 7 3 1024 32 8 72 18 9 B 21 9 3 30 3 10 class=