1) а + 5.6 - 9 = а - 3.42) 5/6 - 4 - в = - в - 3 1/33) 12 - а + 3.8 = 15.8 - а
Упрощение дробей:1) 2м/5м = 2/52) а/ас = 1/c3) 3х/ху = 3/у
Выполнение действий:1) 4.53.9−8.523.9-8.523.9−8.52 + 10.79 = 4.5−4.62-4.62−4.62 + 10.79 = -20.79 + 10.79 = -102) 0.817+0.4830.817+0.4830.817+0.48360−0.5-0.5−0.5 = 160−0.5-0.5−0.5 = -30
1) а + 5.6 - 9 = а - 3.4
2) 5/6 - 4 - в = - в - 3 1/3
3) 12 - а + 3.8 = 15.8 - а
Упрощение дробей:
1) 2м/5м = 2/5
2) а/ас = 1/c
3) 3х/ху = 3/у
Выполнение действий:
1) 4.53.9−8.523.9-8.523.9−8.52 + 10.79 = 4.5−4.62-4.62−4.62 + 10.79 = -20.79 + 10.79 = -10
2) 0.817+0.4830.817+0.4830.817+0.48360−0.5-0.5−0.5 = 160−0.5-0.5−0.5 = -30