am nevoie urgentttttttttt,,,,,dau coroana
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Răspuns:
a. 17m
b. 8m
Explicație pas cu pas:
a.
20m-15m+12m=17m
b.
11m=1100cm
40dm=400cm
6m=600cm
1100cm-400cm+600cm-500cm = 800cm
800cm=8m