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Ta liczba to 207 .
b) 12:2 = 6
6 to 1/5
6 X 5 = 30
Ta liczba to 30 .
1/9x=23
x=23÷1/9
x=23 ×9
x=207
b) 2/5x=12
x= 12 ÷2/5
x=12×5/2
x=30