1.((1 1/4)²-5/8)*10 2/3-7 1/3

Question

1.
((1 1/4)²-5/8)*10 2/3-7 1/3

Answer 1

(25/16-5/8)*32/3-22/3=(25-10)/16*32/3-22/3=15/16*32/3-22/3=10-22/3=(30-22)/3=8/3=2 2/3

Comments

это точно?