1 Oblicz : a) 6*3=......... 6*(-3)=........ (-6)*(-3)=...... (-6)*3=....... b) 7*4=...... (-7)*(-4)=....... 7*(-4)...... c) 11*8=....... (-11) * 8 =...... 11*(-8)=...... (-11)*(-8)=.....
2 Wiedząc że 24*18=432 ,l uzupełnij (-24)*18=....... (-24)*(-18)=...... 24*(-18)=.......
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a) 6*3=18.
6*(-3)=-18
(-6)*(-3)=18
(-6)*3=-18
b) 7*4=28
(-7)*(-4)=28
7*(-4)=-28
c) 11*8=88
(-11) * 8 =-88
11*(-8)=-88
(-11)*(-8)=88
2. (-24)*18=-432. (-24)*(-18)=432. 24*(-18)=-432