a = 200:10:5 x 305-1122 b = (789-35:7x5×29):4 c = 3 500-25 x 100-9 x 101 500:10-86:2+65×8×0 4XX3 a 1220-122 fo Află valoarea expresiilor, respectând ordinea efectuării oper 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= 10 000-(632+368): 100-230 x 11-34:2 x 25 = 97 x 101 + 35:7x4:10 x4x8:4-91:7×56 =​