a) 3,75 : x = 2,5
b) x:0,65=4,8
c)13,2*x= 10, 56
d) x * 2,4 = 11,52
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a) 3,75:1.5= 2,5 bo 2.5*1.5= 3,75
b) 3.12:0.65= 4.8 bo 4.8* 0.65= 3,12
c) 13.2*1.25-10.56 bo 13.2: 10.56= 1.25
d) 4.8*2.4= 11.52 bo 11.52: 2.4= 4.8