Matemática, perguntado por chinyeref50, 5 meses atrás

a book is 3.5cm thick and each cover is 1.8mm thick, how thick is the book without it's cover

Soluções para a tarefa

Respondido por marcelaavc
1
3,5cm=35mm
1.8mm+1.8mm=3.6mm
35-3.6=31,4mm (3,14cm)
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