Twierdzenie Talesa, 3 przykłady.
b) x=9
d) x=4,5
f) x= 10 5/7
2/3 = 2+6/x+3
2*(x+3)=3*(2+6)
2x+6=24
2x=18
x=9
x/6 = 12/16
16x=12*6
16x=72
x=4,5
x/7,5 = 15/7,5+3
10,5x=15*7,5
10,5x=112,5 //10,5
x=10⁵/₇
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2/3 = 2+6/x+3
2*(x+3)=3*(2+6)
2x+6=24
2x=18
x=9
x/6 = 12/16
16x=12*6
16x=72
x=4,5
x/7,5 = 15/7,5+3
10,5x=15*7,5
10,5x=112,5 //10,5
x=10⁵/₇