Помогите!!!!!!!!!!!!!!!!!! 2)

Question

Помогите!!!!!!!!!!!!!!!!!! 2)

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Answer 1

2. 4 2/3 - 5/9×2 4/7 +0,8×1,25=5
(2 1/7+ 1 2/3):5
5/9× 2 4/7=5/9×18/7=10/7=1 3/7
4 2/3 - 1 3/7= 3 (14/21 -9/21)= 3 5/21=3,2
(2 1/7 + 1 2/3)= 3 (3/21+14/21)= 3 17/21
3 17/21:5=82/21:5/1=(82×1):( 21×5)=82/105=
= 0,8
3,2:0,8=4
0,8 × 1,25=1
4+1=5