Question

решите пж номер 2 плииииззззз

Answer 1

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Answer 2

а) -7/18-(-4 5/12+4/9)=3 7/12
-4 5/12+4/9=-53/12+4/9=-159/36+16/36=-143/36
-7/18-(-143/36)=-7/18+143/36=-14/36+143/36=129/36=3 21/36=3 7/12

б) 3/16*(-4/15)-11/12: 1 5/6=-11/20
3/16*(-4/15)=-1/20
11/12:1 5/6=11/12:11/6=11/12*6/11=1/2
-1/20-1/2=-1/20-10/20=-11/20