Mathematics, 10.03.2020 05:32 asuhdude57
03- para ladrilhar totalmente uma parede de 27m por 2de área foram usadas peças quadradas de 15 cm de lado. Quantas pecas foram usadas ?
04- uma metalúrgica utiliza chapas de aço quadradas de 1m de lado para recortar 30 cm de lado . Ao sair da máquina, da chapa original sobre uma parte que é reaproveitada posteriormente. Quantos cm2 de chapa são reaproveitados?
Answers: 3
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