August 2018 2 59 Report
Doprowadź wyrażenia do najprostszej postaci:
a)(4x³+7x-3)+(x³+3-x)=
b)(7-x²y)+(2+2xy+4x²y)=
c)(0,4x²-0,2y³-1)+(¹/₅y³-²/₅+2)=

a)(2x³+3x+7)-(5x³+4x+6)=
b)(2xy+3,5x²)-(-1½x²+5xy)+10=
c)-(4x-5x²-9)-(-5x²+4x+4)=
d)(y⁴+2b²y²+4by³)-(-3y⁴+6by³+13b²y²)=

Proszę o pomoc
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