Qual o valor de X em :
a) X/9 = 5/3
b) 1/2 = X/10
c) 6/25 = X/100
d) 6/72 = 1/X
Soluções para a tarefa
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a) X/9 = 5/3........x= 5/3 * 9/1.........x=45/3........x=15
b) 1/2 = X/10.....1/2 * 10/1=x.........10/2 =x .........5=x ou x=5
c) 6/25 = X/100...6/25 *100=x......600/25=x....... x= 24
d) 6/72 = 1/X..... 6/72 * x = 1 ..... x = 1 /(6/72) ..... x = 1 * 72/6...... x= 72/6 .....x =12
b) 1/2 = X/10.....1/2 * 10/1=x.........10/2 =x .........5=x ou x=5
c) 6/25 = X/100...6/25 *100=x......600/25=x....... x= 24
d) 6/72 = 1/X..... 6/72 * x = 1 ..... x = 1 /(6/72) ..... x = 1 * 72/6...... x= 72/6 .....x =12
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