- Հաշվել
3,78 — (2,56 — 2,97) + (( — 1,73 + 2,14) — 5,78) = -1,18
8,37 — 0,28 — (1,63 — 2,72) + (3,46 — 5,6) = 7,04
(-4,5 + 3,8) ⋅ (2,01 — 3,81) — (2,5 — 3,16) = 1,92
(2,8 — 3,9) ⋅ (-4,3 — 2,6) — (1,32 — 2,4) = 8,67
(2,3 ⋅ (-1,8) — 1,4 ⋅ (-0,8)) ⋅ (-1,5) = 4,53
(1,59 — 1,21 ⋅ (-2,6)) : 3,2 + (1,2 — 2,1) = 0,58
— 36 : 25 — (-2,4 + 2,7 ⋅ 0,3) — (4,3 ⋅ 0,8 — 3,7) = 0,41
(112 : 28 — 36 : 24) : (-0,4) = -25/4
4,9 — 4,8 : (3 — 19) — 1,4 : (-8) = 43/8
— 5,7 : (-19) — 0,8 : (-4) + 2,7 : 0,3 = 19/2
(- 6,4 ⋅ 0,3 + 5,4 ⋅ 0,5) : (-0,2) — 5,1 = -9
2. Հաշվել
1/2 + 7/9 = 23/18
1/3 + 1/7 = 10/21
1/2 + 5/8 = 9/8
1/8 — (5/9 — 1/4) = -13/72
13/18 — 1/24 — (29/72 + 5/36) = 5/36
8/7 ⋅ 77/32 = 11/4
5/9 — 5/12 = 5/36
7/9 — 5/6 = -1/18
5/12 — 7/8 = -11/24
(5/8 — 2/5) + 3/20 = 3/8
3/8 ⋅ 6/15 = 3/20
3/55 — 21/22 = -9/10
19/21 — 11/15 = 6/35
— 1/6 + 5/7 = 23/42
5/6 — (3/10 + 2/5) = 2/15
15/16 ⋅ 8/5 = 3/2
6/7 : 3/8 = 16/7
Արման Եղիազարովի բլոգ 