Rovnice 1.
Ak je x + 17 = 58
3.
2.
vtedy je x=
Spoj čiarami rovnicu so zodpovedajúcim riešen�m. x = 66
25 + x = 49
x=
72 + x = 91
x=
x + 44 = 73
x=
x + 29 = 82
x=
x = 28
51 + x = 70
x=
x = 48
x = 71
72 – x = 24
5.
43
x–a
88 35
a
21
16
x – 33 = 38
x = 81
Vyplň tabu�ku. x
47 – x = 19
74
26
Rieš rovnice. 21 + 18 + x = 52 ............................................................................. .....................................................
25 39
x – 19 = 62
19
x=
34 + x + 29 = 85 ............................................................................. .....................................................
4.
Vyplň tabu�ku.
x=
51 + x – 31 = 42 .............................................................................
x
39 28
a x+a
13
72
55
26 33
41
81
.....................................................
x – 17 + 33 = 66
66
............................................................................. .....................................................
6
x=
x=