Răspuns :
COROANA??
notam Ana cu A si Ionut cu I
A+I=90bomboane
A=2×I=2×30=60 bomboane are ana
2×I+I=90bomboane
3I=90
I=90/3
I=30bomboane are ionut
proba:60+30=90
Răspuns:
a+b=90
a=2xb. a|-|-| }
b|-|. }. 90
90:3=30(Ionuț)
30x2=60(Ana)
COROANA??
notam Ana cu A si Ionut cu I
A+I=90bomboane
A=2×I=2×30=60 bomboane are ana
2×I+I=90bomboane
3I=90
I=90/3
I=30bomboane are ionut
proba:60+30=90
Răspuns:
a+b=90
a=2xb. a|-|-| }
b|-|. }. 90
90:3=30(Ionuț)
30x2=60(Ana)