0.25 (4f-3)=0.05(10f-9)
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0.25 (4f-3) =0.05 (10f-9)
1f-0.75 =0.50f - 0.45
1f-0.50f = -0.45 +0.75
0.50f =0.30
f = 0.30÷0.50
f=0.6
1f-0.75 =0.50f - 0.45
1f-0.50f = -0.45 +0.75
0.50f =0.30
f = 0.30÷0.50
f=0.6
sailu4787:
wrong
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