30% liczby 1,2
12% liczby 480
1. 30%-x
100%- 1,2
x=36÷100%
x=0,36
2. 100%-480
12%-x
x=(480*12)÷100%
x=5760÷100%
x=57,60
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1. 30%-x
100%- 1,2
x=36÷100%
x=0,36
2. 100%-480
12%-x
x=(480*12)÷100%
x=5760÷100%
x=57,60