(2 -1 7/12) : (3/8-1/6) × 3 1/4

Question

(2 -1 7/12) : (3/8-1/6) × 3 1/4

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Answer 1

1) 2 - 1 7/12 = 5/12
2) 3/8 - 1/6 = 9/24 - 4/24 = 5/24
3) 5/12:5/24 = 5/12 * 24/5 = 2
4) 2* 3 1/4 = 2 * 13/4 = 13/2=6,5
ответ: 6,5

Comments

а от куда 4