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14. Calculari: b) [92-9. (52-3.2 + 7)]: 32; 6) 17. (1 + 7° +5°: 25)] : 722, b) 102: [(22+2') : 12 + 3): 3]; d) [2° + 2 + 34: (3 - 32)]: 32.​

14 Calculari B 929 5232 7 32 6 17 1 7 5 25 722 B 102 222 12 3 3 D 2 2 34 3 32 32 class=

Răspuns :

Răspuns:

a) [81+9×(25-3×8+7)]:9 =》 [81+9×(25-24+7)]:9 =》[81+9×(1+7)]:9 =》(81+9×8):9 =》(81+72):9 =》153:9=17