Question

(2-4 8/15×23/17)=????помогите плиз

Answer 1

(2-4 8/15*23/17)=2-68/15*23/17=2-92/15=60/30-184/30=-124/30=-4 4/30=
=-4 2/15

Answer 2

[ 2 - 4 815 x 2317 ] =
4ц 815 x 2317 =6815 x 2317 = 9215=6ц 215
2 - 6ц 215 = - 6 ц215 + 2 = - 4ц 215
ц - целое число