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a) 19 + 3 = 22
b) 5 * 12 = 60
c) 32 - 7 = 25
d) 120 : 10 = 12
Zad. 5
a) 7 * 6 + 4 = 42 + 4 = 46
b) 12 * ( 7 + 3 ) = 12 * 10 = 120
c) 50 - 4 * 12 = 50 - 48 = 2
d) 150 : (15 * 2) + 11 = 150 : 30 + 11 = 5 + 11 = 16
Zad. 6
a) A - 40
B - 60
C - 105
b) W załączniku (Przepraszam, że takie średnio wyraźne xd