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2014-03-06T16:04:54+02:00
A+b+c=?
a=(4*675)/5=
4*135=
a=540

b=(3*540)/6
b=540/2
b=270


c=(6*270)/9
c=6*30
c=180

a+b+c=
540+270+180=990
2014-03-06T16:06:52+02:00
A=4/5*675=540
b=3/6*540=1/2*540=270
c=6/9*270=2/3*270=180
a+b+c=540+270+180=990