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gruts2
@gruts2
September 2021
1
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1,25÷(-2/5)+1,75÷1 целая1/8
все это разделить на 2
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vicper1957z
Verified answer
1,25/(-2/5)=6,25/-2= -3,125=- 25/8
1,75/(1 целая 1/8)=(7/4)/(9/8)=14/9
-25/8 +14/9= (112-225)/(8*9)= -113/(8*9)
-113/2*8*9= -113/144
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Answers & Comments
Verified answer
1,25/(-2/5)=6,25/-2= -3,125=- 25/81,75/(1 целая 1/8)=(7/4)/(9/8)=14/9
-25/8 +14/9= (112-225)/(8*9)= -113/(8*9)
-113/2*8*9= -113/144