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3 * (-21) = - 63
2 * (-55) = - 110
(-4) * 12 = - 48
(-18) * (-3) = 54
b)
35 : (-7) = - 5
(-84) : 2 = - 42
(-90) : (-30) = 3
56 : (-7) = - 8
1) -63
2) -110
3) -48
4) 54
b) wyniki:
1) -5
2) -42
3) 3
4) -8
c) wyniki:
1) 54
2) -96
3) -144
4) 2
d) wyniki:
1) 64
2) -8
3) -1
4) 36