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Matematica 10 Puncte si coronita cel care rezolva primul



Matematica 10 Puncte Si Coronita Cel Care Rezolva Primul class=

Răspuns :

a)
x+54cm+9mm=7dm+8cm <=>
x=700mm+80mm-540mm -9mm <=>
x=780mm-549mm <=>
x=131 mm

b)
x+29cm+6mm=0,42m <=>
x=420mm-290mm-6mm <=>
x=130mm-6mm <=>
x=124mm