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mnożymy na krzyż;
360×10=100x
100x=3600 /100
x=36
b)360×15=100x
100x=5400 /100
x=54
c)360×20=100x
100x=7200 /100
x=72
a)
360 stopni - 100%
x - 10%
b)
360 stopni - 100%
x-15%
c)
360 stopni - 100%
x-20%
a)3600=100x
x=36
b) 5400=100x
x=54
c)7200= 100x
x=72
Proszę ! :)