oblicz ;liczba , której 40% wynosi 54,2
40% -> 54,2 / : 40
1% -> 1,355 / * 100
100% -> 135,5
40% z x= 54,2
0,40 z x= 54,2 /:0,40
x=135,5
spr. 40% z 135,5=54,2
0,40*135,5=54,2
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40% -> 54,2 / : 40
1% -> 1,355 / * 100
100% -> 135,5
40% z x= 54,2
0,40 z x= 54,2 /:0,40
x=135,5
spr. 40% z 135,5=54,2
0,40*135,5=54,2