Calculează. a. 45 +7+ [307-816: (9-5)] - 8 × 18 b. 406-4x [3x (30-18:6:3)]~ c. 832:8+ [40 + 8x (100:5-72:4)] × 10 d. 25+ 6 x [107-100: (8-3)] - 9 × 19 e. 1+3 x [3+8x (7-3) + 3x (5 + 6)] f. [55 x 5-(199-99 x 2 + 20 × 5) + 220:10] 5+ [7+3x (7-2)]: 2-6 A 9+8x [7+6x (5+4x 3) - 2 x 1]- 10 x 10 1[(36-36: 2x0) + (6 x 7-4 x 9)]: 7 (9x8+13): [5 x 4: (3 + 2) + 1] fo j.6+3 x [18:3-3x (12:3-3)]: 9 2+2 x [2 +2:2x (2+2 x 2)] 500
vă rog repede dau coroana și 100 de puncte!!!!​