Question

(5,7 : 0,3- 8 1/3)×0,75
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(2 1/8 + 1,75) : 15,5

Answer 1

(5,7:0,3-8 1/3)*0.75
(19-8/3)*3/4
49/3*3/4
49*1/4
49/4
12 1/4 или 12,25 или (7/2)²



(2 1/8+1.75):15.5
(1/4+7/4):31/2
2*2/31
4/31 или ≈0,13