Question

5,6 x2 + 2,8+ 11,2 x 2 - 48,5

Answer 1

5,6 * 2 + 2,8 + 11,2 * 2 - 48,5 = - 12,1

Answer 2

5,6*2+2,8+11,2*- 48,5=11,2+2,8+22,4-48,5

                               =14+22,4 - 48,5

                              =36,4-48,5=-12,1

Answer 3

12,1 nha