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489. How many ribbons of -m can be cut froma ribbon of length 5 m? |
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Answer» 11/10; 10+1/2=11/2; 11/10-2/11=-8/11 11/10; 10+ 1/2=11/2 ; 11/10-2/11= -8/11 11/10; 10+1/2=11/2;11/10-2=-8/11 |
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