Răspuns:
35) a+a+2+a+4+a+6+15=179
4a=179-15-12
a=152:4=>a=38
nr sunt :38,40,42,44
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39) a+b=72
a=2b
2b+b=72=>b=72:3=>b=24
a=2·24=>b=48
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40) d+m=468
d=3m
3m+m=468
m=468:4=>m=117 caiete matem.
d=3·117=>d=351 caiete dictando
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41) a-b=705
a:b=6=>a=6b
6b-b=705=>b=705:5=>b=141
a=6·141=>a=846
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43) t+f=40
t=4f
4f+f=40=>f=40:5=>f=8 ani are fiul
t=4·8=>t=32 ani are tatal
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44) m+f=36
f=m/5=>m=5f
5f+f=36=>f=36:6=>f=6 ani are fiica
m=5·6=>n=30ani are mama
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45) a+b=24
a=5b
5b+b=24
b=24:6=>b=4
a=5·4=>a=20
