来自陈嶷的问题
1.去括号1,-(2m-3)2.n-3(4-2m)3.16a-8(3b+4C)4.t+32(12-9V)5.-(5m+n)-7(a-3b)
1.去括号1,-(2m-3)2.n-3(4-2m)3.16a-8(3b+4C)4.t+32(12-9V)5.-(5m+n)-7(a-3b)
1回答
2020-01-01 16:56
1.去括号1,-(2m-3)2.n-3(4-2m)3.16a-8(3b+4C)4.t+32(12-9V)5.-(5m+n)-7(a-3b)
1.去括号1,-(2m-3)2.n-3(4-2m)3.16a-8(3b+4C)4.t+32(12-9V)5.-(5m+n)-7(a-3b)
1.-(2m-3)=-2m+3
2.n-3(4-2m)=n-12+6m
3.16a-8(3b+4C)=16a-24b-32c
4.t+32(12-9V)=t+18-(27/2)V
5.-(5m+n)-7(a-3b)=-5m-n-7a+21b
1楼的错第1题!