Question

Aflați x din relatiile:
a) (1,8 + 0,2) • x=24,5???
b) (3,6 + 1,4) • x=72,61???
c) (7,4-3,4) • x=42,3???
d) (19,3 - 4,3) • x=45,72???​

Answer 1

a) (1.8+0.2)•x=24.5

2•x=24.5/÷2

x=12.25

b) (3.6+1.4)•x=72.61

5•x=72.61/÷5

x=14.52

c) (7.4-3.4)•x=42.3

4•x=42.3/÷4

x=10.57

d) (19.3-4.3)•x=45.72

15•x=42.72/÷15

x=2.85

Succes!