1.oblicz wartość wyrażenia: (pierwiastek 2/5)do potęgi 4 -(1,2*5/12-0,8*1/2do potegi 3)=
2. oblicz:1(3/20) + (-3)do potęgi2/ 12 :0,6+0,2*(-3)do petegi3
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(√2/5)⁴-(1,2*5/12-0,8*1/2³)=4/25-(12/10*5/12-0,8*1/8=4/25-(1/2-1/10)=
4/25-(5/10-1/10)=4/25-4/10=0,16-0,4=-0,24
1 3/20+(-3)²/12:0,6+0,2*(-3)³=1 3/20+9 /20+0,2*(-27)=10 3/20 /20-5,4=
=203/20:14,6=203/20:146/10=203/20*10/146=203/292