Răspuns :
Răspuns:
a+b=63
..63÷9=7 (b)
7×8=56(a)
a |.....| 63
b |...|.....|....|...|.....|.....|....|.....|
Răspuns:
a+b=63
a=8b
8b+b=63
9b=63
b=63:9
b=7
a+7=63
a=63-7
a=56
proba
7+56=63
Răspuns:
a+b=63
..63÷9=7 (b)
7×8=56(a)
a |.....| 63
b |...|.....|....|...|.....|.....|....|.....|
Răspuns:
a+b=63
a=8b
8b+b=63
9b=63
b=63:9
b=7
a+7=63
a=63-7
a=56
proba
7+56=63