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Află valoarea expresiilor, respectând ordinea efectuării operaţiilor. 525- (75:5+5 x 5) x 10+ 207 x 24-86: 2 × 19 = 3 990 + (465-384): 3 x 78-20 x 17 x 5+ 66:3:2= 309 (90000). 100-250 x 11-34:2 × 25 = 97 x 101 + 35:7 x 4:10 x 4x8:4-91:7×56 = (96:4:3x5 +32:8:2 x 3 x 5 x 2): 100 + 9 999 = 1) 58:2x47-32:2:8x 203 +95 x(3×12-3×10) = g) 324 × 10 + 95:5x9-66: (86-2×2×2×2× 5) = h) 97 x 100-44 4x152-2 * 241-200.107. (54:2:9x12:6+94): (64:2:8x3-24:6:2)+8996 = 96:8:4 x 211 + 304 x 15- (7 900-7 846):9×8:2= 4135-250 11 - 1) (99 + 101): 2 x 76-14:2:7 x 10- (98 +24:2:6): 10 = m) 19 x (48:3:8x9+32:4 x 9 + 10 x 1) + 530: 10 x 38-65:5×10= c) 23 x 10 x 6+ (95:5+48:4:3:4):2 (1500-1474): 2× 9 =
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