Question

4⅘÷(2⅕_½)(1¼_¼_⅕)=?​

Answer 1

4^4/5÷(2^1/5-1/2)(1^1/4-1/4-1/5)

=2^2^4/5÷(2^2-5/10)(-1/5)

=2^2^4/5÷(2^–3/10–1/5)

=2^2^4/5–(-3/10-1/5)

=2^2^4/5+3/10+1/5

=2^2^8+6+2/10

=2^2^16/10

=2^2^8/5

=1×8/5 [log2^2=1]

8/5