1) 1,2 - 3(-1) = 1,2 + 3 = 4,22) 1,2 - (2/3) (2/9) = 1,2 - 4/27 = 31/253) 1,2 - 0,6(-20) = 1,2 + 12 = 13,24) 1,2 - (8/7)(3/14) = 1,2 - 2/7 = 0,9142857145) 1,2 - (41/10)*(41/2) = 1,2 - 841/20 = -40,65
1) 1,2 - 3(-1) = 1,2 + 3 = 4,2
2) 1,2 - (2/3) (2/9) = 1,2 - 4/27 = 31/25
3) 1,2 - 0,6(-20) = 1,2 + 12 = 13,2
4) 1,2 - (8/7)(3/14) = 1,2 - 2/7 = 0,914285714
5) 1,2 - (41/10)*(41/2) = 1,2 - 841/20 = -40,65