11. Efectuati, finând cont de ordinea efectuării operațiilor:
a) - 2+(-5). 4.
d)-5-7.(-1);
g) (-1) (-2) + 3 (-6):
b) 5+ 4 (-3);
e) 8+5 -4);
h) 7-7-6) - 6.5;
e) 6-3 (-5);
1) (-5) (-8) -4 10: i) 2.(-3). 4-(-3) (+4).
Calculati folosind proprietatea de asncintivánto​

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