Question

13-(24.903-21.22+3.0434)-(38.52-34.481)=? решить с полной росписью.ДАЮ 17 БАЛОВ .

Answer 1

24.903-21.22=3.683; 3.683+3.0434=6.7264;13-6.7264=6.2736;38.52-34.481=4.039;6.2736-4.039=2.2346

Answer 2

13-24.903+21.22-3.0434-38.52+34.481=(13-24+21-3-38+34)+(0.481+0.22-0.52-0.903-0.043)-0.0004=(10-3-4)+(0.701-0.52-0.946)-0.0004=3+0,181-0.946-0.0004=3.005+0.17-0.94-0.0004=3.005-0.77-
0.0004=2.2350-0.0004=2.2346