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ORDINEA EFECTUARIL OPERATIILOR 1. Calculeaza, respectand ordinea efectuarii operatiilor: 21+19+37-49 59+41-13-8- 100-9x3+8x3= (35:5+9x2):5+230-(7x2x0+9)= (63:7 x 1+8)-8x2= (35-7x 5) x (3 +9)= 4x(5-4+3)+3x(9-4+2)+4x(1+2+4)= 141-(7x8+24:3)+100-9x9+27= 3x6-6x3= 04-(9x5 +8x7)+ (104+ 25:5-8x7)= 36:6+24:3+35:7= 15+3x3+7= (42:6+29):6-(15+5):4- (3x5-3x4)+ (3x5-5x3)= (18+2+20):10+129-(9x2) 304- (7x8- 5x6)-103+ (5x6- 26) 72:(27–18) 5x(13.6)​