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Ex 1) Calculeaza respectand ordininea operatiilor A, B, C.

Ex 1 Calculeaza Respectand Ordininea Operatiilor A B C class=

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Răspuns:

1.a) 9-2×3 = 9-6 = 3

16+4×6 = 16+24 = 40

90-7×8 = 90-56 = 34

1000-5×7 = 1000-35 = 965

b) 80+15×7 = 80+105 = 185

76+23×25 = 76+575 = 651

185+128×17 = 2176+185 = 2361

5900-36×42 = 5900-1512 = 4388

c) 8-3×2+1 = 8-6+1 = 8-7 = 1

60-8×2-18 = 60-16-18 = 26

501-202×2 = 501-404 = 97

72:8+64×2 = 9+128 = 137

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