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Ecuatii cu fractii zecimale
Exercitii
2))a)1,2•x+3=9,6
b)2,4•x-2=2,32
c)2,4•x-2=3,76
d)7•x-0,8=7,6

Răspuns :

Cristinatibulca
a. 1,2x=9,6-3
1,2x=6,6, x=6,6:1,2=5,5
b. 2,4x=2,32+2
2,4x=4,32, x=4,32:2,4=1.8 
c. 2,4x=3,76+2
2,4x=5,76, x=5,76:2,4=2,4
d. 7x=7,6+0,8, 7x=8,4, x=8,4:7=1,2

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