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g)(6,5-4,7):(4-2 1/5)=1,8:(4-11/5)=1,8:(4-2,2)=1,8:1,8=1
h)(1,5-1 1/3)*2 2/5-0,1=(1,5-4/3)*2 2/5-0,1=1/6*12/5-0,1=1/6*2,4-0,1=0,4-0,1=0,3
i)(6,25-2 1/2):2 1/7-1=(6,25-5/2):2 1/7-1=(6,25-2,5):2 1/7-1=3,75:15/7-1=1,75-1=0,75
g)(6,5-4,7):(4-2 1/5)= (6,5 - 4,7) : (4 - (2 1/5)) = (6,5 - 4,7) : (4 - (2,2))=1,8:1,8=1
h)(1,5-1 1/3)*2 2/5-0,1= ((1,5 - (1 1/3)) * (2 2/5)) - 0,1 =((1,5-1,3))*(2,4))-0,1=0,2*2,4=0,38
i)(6,25-2 1/2):2 1/7-1= ((6,25 - (2 1/2)) : (2 1/7)) - 1 =((6,25-2,5):2,1)-1=(3,75:2,1)-1=1,78-1=0,78
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