Question

вычислите: 1) ( 3 1/3+5 /1/6)×2/5-2 3/4:(1 1/2-2/5)=. 2) 3 1/3×2 2/5×(2-4 8/15×3/17).

Answer 1

1) ( 3 1/3+5 /1/6)×2/5-2 3/4:(1 1/2-2/5)=((10/3+31/6)*2/5)-(11/4:(3/2-2/5))=17/5-5/2=9/10
2) 3 1/3×2 2/5×(2-4 8/15×3/17)=(10/3*12/5)*(2/1-4/5)=6*8/6=8

Answer 2

Спасибо большое!!!