Matma ://
Pomorzecie ?
1. a) 2*8x=???
d) 4a*(-5)
2. a) 4(z+5)=???
d) (3-6a)*8=???
3. a) -(-3x)=???
d) -(-2xy+1)=???
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1. a) 2*8x=16x
d) 4a*(-5)=-20a
2. a) 4(z+5)=4x+20
d) (3-6a)*8=24-48a
3. a) -(-3x)=3x
d) -(-2xy+1)=2xy-1