Question

M= (2-1/2) (2-1/2) + (-1) * {2-[3/2÷(2+1/4)]} + √25/4-4 

Answer 1

M=(3/2)(3/2)+(-1)x{2-(3/2÷(9/4))}+5/2-4
M=9/4+(-1){2-2/3}-3/2
M=9/4+(-1)(4/3)-3/2
M=9/4-4/3-3/2
M=-7/12