-11/3-11/6= -22/6-11/6= -33/6= -5 1/2
-5/9-(-2/3)= -5/9-(-6/9)= -5/9+6/9=1/9
1)3/4от8м8*3\4 = 6м 2)5/8от12дм12*5\8 = 15\2дм = 7,5дм
3)2/5от10т10*2\<span>5 = 4т</span><span>4)3/10от5кг</span><span>5*3\10 = 3\2 = 1,5 кг</span><span> 5) 5/6от8ч</span>8*5\6 = 20\3ч = 6 2\3ч<span>
</span><span> 6)3/4от20мин</span>20*3\4 = 15мин<span>
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