Simple calculation of 39 * 1 / 4 + 27 * 0.25 + 34 * 25%

Simple calculation of 39 * 1 / 4 + 27 * 0.25 + 34 * 25%

39*1/4+27*0.25+34*25%
=39x0.25+27x0.25+34x0.25
=(39+27+34)x0.25
=100x0.25
=25

How to calculate 39 times 27 plus 39

39 X 27 + 39
= 39 X ( 27 + 1 )
= 39 X 28
= ( 40 - 1) X 28
= 40 X 28 - 28
= 40 X ( 30 - 2) - 28
= 40 X 30 - 40 X 2 - 28
= 1200 - 80 28
= 1120 - 28
= 1092

39 * 0.25 + 27 * 34 * 25%!

=40*0.25-0.25+28*34*0.25-34*0.25=10+7*34-35*0.25=248-36*0.25+0.25=248-9+0.25=239.25
Well, that's all I can do

(- 6 / 5) divided by (2 and 2 / 5-18 / 5-4 / 5) - (- 7 / 9)

Sorry, I made a mistake. The answer is 62 out of 45