(1 / 36 ／ 0.251 / 9) ／ 5 / 6 (1 / 36 ／ 0.25 + 1 / 9) ／ 5 / 6 Wrong title

Original formula = (1 / 36x4 + 1 / 9) X6 / 5
=(1/9+1/9)x6/5
=2/9x6/5
=4/15.

32 * 33 + 33 * 34 + 34 * 35 + 35 * 36 =? See in the book, simple calculation, pass the equation to me

32*33+33*34+34*35+35*36
=33*(32+34)+(34+36)*35
=33*66+70*35
=33*70-33*4+2450
=2310-132+2450
=4628