Respostas

2013-11-12T13:00:57-02:00
7/11+2/5+3/8+x=1210
280/440+176/440+165/440+x=1210
280+176+165+440+x=1210
x=1210-280-176-165-440
x=1210-1061
x= 149 km

Resposta= 149 km percorridos a cavalo


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