Răspuns :
a:b=3 rest 10=>a=3b+10
a+b+3+10=143
=>4b+10+10+3=143
=>4b+23=143/-23
=>4b=120/:4
=>b=30
a=3b+10=>a=3 x 30+10=100
a+b+3+10=143
=>4b+10+10+3=143
=>4b+23=143/-23
=>4b=120/:4
=>b=30
a=3b+10=>a=3 x 30+10=100
D+I = 143-(10+3)=143-13=130
D = 3×I+10
D /---/---/---/+10
I /---/
130-10=120
120:4= 30 (un segment egal)
D = 3×30+10=90+10=100 (deimpartitul)
I = 30 (impartitorul)
verificare:
100 : 30 = 3 rest 10
100+30+3+10= 143
D = 3×I+10
D /---/---/---/+10
I /---/
130-10=120
120:4= 30 (un segment egal)
D = 3×30+10=90+10=100 (deimpartitul)
I = 30 (impartitorul)
verificare:
100 : 30 = 3 rest 10
100+30+3+10= 143