Oblicz.
a) 25% liczby 200 b) 16% liczby 250 c)6% liczby 50
Matematyka '' krok po kroku'' klasa 6
Zadanie. 3. strona. 137
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a) 25/100 * 200 =50
b) 16/100 * 250 = 40
c) 6/100 * 50 = 3
a) 100% ---- 200
25% ---- x
x= (25*200)/100 =5000/100 = 50
x=50
b)100% ---- 250
16% ---- x
x= (16*250)/100 =4000/100 = 40
x=40
c)100% ---- 50
6% ---- x
x= (50*6)/100 =300/100 = 3
x=3