(−2).[(+3)−(−4)]+(+5)
(−2)x[(+3)−(−4)]+(+5)
57 - x = 1000
n/7=-4
57 - 34 = 5.3
x/3=2
-6+4-7-(+7-5-5)+6+(-4+5-3)
4i+5=3(2i+6)
( 3 + 2 2 ⋅ 5 ) 2
