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Exprima in metri:1mm+1cm+1dm+1m=?m​

Răspuns :

1mm= 1:1000= 0,001 m

1cm= 1:100= 0,01 m

1dm= 1:10= 0,1 m

1mm+1cm+1dm+1m= 0,001m+0,01m+0,1m+1m= 1,111m