Question

решите три премера!!

Answer 1

7)-3.2 + х = 1.9

x=3.2 + 1.9

x= 5.1

8) x + (-5.6) = -4.2

x= 5.6 - 4.2

x= 1.4

9) 8.3 + x = -1.9

x= (-8.3) + (-1.9)

x= -10.2