a. B is opposite to each other, C and D are reciprocal to each other, M = 4, find the value of 2A - (CD) &# 178; &# 186; &# 186; &# 185; + 2b-3m

a. B is opposite to each other, C and D are reciprocal to each other, M = 4, find the value of 2A - (CD) &# 178; &# 186; &# 186; &# 185; + 2b-3m

Because a and B are opposite numbers, C and D are reciprocal numbers, M = 4, so CD = 1, a + B = 0, so
2a-(cd)²ºº¹＋2b-3m=2（a+b)-1-3m=-1-3m
When m = 4, - 1-3m = - 13
When m = - 4, - 1-3m = 11

Given that a and B are opposite to each other, C and D are reciprocal to each other, M = 4, find the 2007 power of 2A + (CD) - 2b + 3M

From the meaning of the title
a+b=0,cd=1,m=4,-4
When a + B = 0, CD = 1, M = 4
The original formula = - 2 [a + b] + 1 2007 power + 3 × 4
=0+1+12
=13
When a + B = 0, CD = 1, M = - 4
Original formula = 0 + 1-12
=-11
The power of 2007-2a + (CD) - 2b + 3M = - 11 or 13

a. B is opposite to each other, c ` d is negative reciprocal, M = 4,2a - (CD) 2007 + 2b-3m

A + B = 0 CD = - 1 m = 4 or - 4
So the original formula = 0 + 2007 + 3 × 4 or = 0 + 2007-3 × 4
=2019 or 1995