Question

1) Sa se rezolve in q ecuatiile: a)x+2,345=3 b)x-3,14=4,156 c)4x-2,15=7,85 si d) (x+0,13+1,0145):4,7=0,14+0,02.x10 2)Determinati numerele naturale x pt x:3

Answer 1

a)x+2.345=3
x=3-2.345
x=0.655

b)x-3.14=4.156
x=4.156+3.14
x=7.296

c)4x-2.15=7.85
4x=7.85+2.15
4x=10
x=2.5

2)3.6.9.12.15,18,21,24,........... numere care se impart la 3