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calculati 42cm+260mm-3.6dm

Răspuns :

42cm+260mm-3.6dm = 42cm+26cm-36cm=32cm
sau
42cm+260mm-3.6dm=420mm+260mm-360mm=320mm
Sau
42cm+260mm-3.6dm = 4.2 dm+2.6dm-3.6dm=3.2dm
42cm=42cm
260mm=26cm
3,6dm=36cm
42cm+26cm-36cm=68cm-36cm=32cm