Pliss pomocy!! zad. 1 a) 9 - 9 - 7 - 6 - 5 = b) 9 - ( 8 - 7 - 6 - 5 ) = c) 9 - ( 8 - 7 ) - ( 6 - 5 ) = d) 9 - ( 8 - ( 7 - 6 - 5 ) = e) 9 - ( 8 - ( 7 - ( 6 - 5 )) = zad. 2 a) 288 : 12 : 6 : 2 = b) 288 : ( 12 : 6 ) : 2 = c) 288 : ( 12 : 6 : 2

a) 9 - 9 - 7 - 6 - 5 =0 - 7 - 6 - 5 = - 7 - 6 - 5 = - 13 - 5 = - 18 b) 9 - ( 8 - 7 - 6 - 5 ) =9 - 8 - 7 - 6 - 5 = 1 - 7 - 6 - 5 = - 6 - 6 - 5 = - 12 - 5 = - 17 c) 9 - ( 8 - 7 ) - ( 6 - 5 ) =9 - 8 - 7 - 6 - 5 = 1 - 7 - 6 - 5 = - 6 - 6 - 5 = - 12 - 5 = - 17 d) 9 - ( 8 - ( 7 - 6 - 5 ) = źle nawiasy e) 9 - ( 8 - ( 7 - ( 6 - 5 )) = źle nawiasy... zad. 2 a) 288 : 12 : 6 : 2 =24:6:2=4:2=2 b) 288 : ( 12 : 6 ) : 2 =288:2:2=144:2=72 c) 288 : ( 12 : 6 : 2 ) = 288:2:2=288 d) 288 : ( 12 : ( 6 : 2 )) =288:12:3=288:4=72 e) 288 : 12 : ( 6 : 2 ) = 24:6:2=24:3=8

zad.1 a) 9-9-7-6-5=-18 b) 9-(8-7-6-5)=9+10=19 c) 9-(8-7)-(6-5)=9-1-1=7 d) 9-(8-(7-6-5)=9-12=-3 e) 9-(8-(7-(6-5))=9-2=7 zad.2 a) 288:11:6:2=2 b) 288:(12:6):2=288:2:2=72 c) 288:(12:6:2)=288:1=288 d) 288:(12:(6:2))=288:(12:3)=288:4=72 e) 288:12:(6:2)=288:12:3=8