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2010-02-20T17:46:27+01:00
A)x=5/8 * 7/2
x=35/16
x=1 3/8
b)2,5=3/2*1/2/x
1/2/x= 5/3
x=10/3
x=3 1/3
c)x=405/7
d)2x=12/15 *15
2x=4
x=2
2010-02-20T17:47:14+01:00
A x:(3 1/2)= 5/8
x= 5/8 * 7/2
x= 35/16

b 2,5/0,5x= 3/2
5/x=3/2
x=10/3
c 27/7= x/15
x= 405/7
d 2x/15=12/45
x= 12/45 * 15 /2
x=180/90
x=2