а) |-21-18| = | -39| = 39
b) |5 × 11 - 27| = |55-27| = |28| = 28
c) |11 × 5 - 74| = |55 - 74| = | - 29| = 29
d) |-13 × 5 + 43| = |-65 + 43| = |-22| = 22
e) |13 + 11 - 74| = |24 - 74| = |-50| = 50
f) |34 × 5 + 70(-4)| = |170 - 280| = | -110| = 110
