问题
选择题
下列变形中错误的是( ) |
A.m2-(2m-n-p)=m2-2m+n+p B.m-n+p-q=m-(n+q-p) C.3m-5n-1+2p=-(-3m)-[5n-(2p-1)] D.m+1-(-n+p)=-(-1+n-m+p) |
答案
答案:D
下列变形中错误的是( ) |
A.m2-(2m-n-p)=m2-2m+n+p B.m-n+p-q=m-(n+q-p) C.3m-5n-1+2p=-(-3m)-[5n-(2p-1)] D.m+1-(-n+p)=-(-1+n-m+p) |
答案:D