How is 12 9 7 15 13 equal to 70

How is 12 9 7 15 13 equal to 70


[13-9/(15-12)]*7=70



How much is (1 / 7 + 4 / 5 + 12 / 35) × 7 / 9


(1/7+4/5+12/35)x7/9
Share the same
(5/35+28/35+12/35)x7/9
=45/35x7/9
=5/5=1



What's 15 out of 24 times 12 out of 35


15/24*12/35
=5/8*12/35
=5/8*3*4/5*7
=3/2*7
=3/14