2007-02-05 04:04:48 · 7 respostas · perguntado por Lua 3 em Ciências e Matemática ➔ Matemática
Em matemática...DE significa Multiplicação:
Dois quintos DE 100:
(2 / 5) x 100 = 200 / 5 = 40
Quatro oitavos DE 10:
(4 / 8) x 10 = 40 / 8 = 5
Ok?
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2007-02-05 04:09:07 · answer #1 · answered by Beakman 5 · 0⤊ 0⤋
2/5 de 100 = (100/5)x2=40
4/8 de 10 = 1/2 de 10 = (10/2)x1= 5
2007-02-06 11:25:21 · answer #2 · answered by ? 7 · 0⤊ 0⤋
Faça as contas! Basta multiplicar e dividir:
100 x 2 / 5 = 40
10 x 4 / 8 = 5
2007-02-06 07:17:23 · answer #3 · answered by Obs. Phoenix 7 · 0⤊ 0⤋
40 e 5 respectivamente
2007-02-05 12:14:05 · answer #4 · answered by Mocinha 3 · 0⤊ 0⤋
Dois quintos de 100 = 40
4 oitavos de 10 = 5
2/5 de 100 = 40
4/8 de 10 = 5
2007-02-05 12:13:30 · answer #5 · answered by Isamara P 4 · 0⤊ 0⤋
2/5.100=40
4/8.10=5
2007-02-05 12:09:01 · answer #6 · answered by EU 5 · 0⤊ 0⤋
2/5 de 100 = 40
4/8 de 10 = 5
2007-02-05 12:08:37 · answer #7 · answered by Rafa BH 2 · 0⤊ 0⤋