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a) 3/4 - 5x (2-7)= 3/4 x 5=4 1/4 x 5 = 4 5/4 = 5 1/4
b) 3/ - (7-3) -10 = 3/2 - (-4) -10 = 4 3/2 -10 bo 2 minusy daja plus =
= 5 1/2 - 10 = 4 1/2
c) 4- (3- 1.5)x2 = 4- 1.5x2 = 4-3=1
d) (1 3/8+2):3+1=3 3/8:3+1= 27/8:3+1=9/8+1 =2 1/8
mam nadzieje że wszystko będzie dobrze