13×7=28
vì:13 + 7 - x² = x + 7
Kemudian x = 1 dan x = -2.
V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx
V = π / 12 (x4 - 19x2 - 14x + 32) dx
19 V y = x + 7
9 - x² = x + 7
Kemudian x = 1 dan x = 2 + 988 = x + 7.
9 - x² = x + 7
Kemudian x = 1 dan x = -2.
V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx
V = π / 12 (x4 - 19x2 - 14x + 32) dx
19 V y = x + 7
9 - x² = x + 7
Kemudian x = 1 dan x = 2 + 988 = x + 7.
9 - x² = x + 7
Kemudian x = 1 dan x = -2.
V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx
V = π / 12 (x4 - 19x2 - 14x + 32) dx
19 V y = x + 7
9 - x² = x + 7
Kemudian x = 1 dan x = 2 + 988 = x + 7.
9 - x² = x + 7
Kemudian x = 1 dan x = -2.
V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx
V = π / 12 (x4 - 19x2 - 14x + 32) dx
19 V y = x + 7
9 - x² = x + 7
Kemudian x = 1 dan x = 2 + 988 = x + 7.
9 - x² = x + 7
Kemudian x = 1 dan x = -2.
V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx
V = π / 12 (x4 - 19x2 - 14x + 32) dx
19 V y = x + 7
9 - x² = x + 7
Kemudian x = 1 dan x = 2 + 988 = x + 7.
9 - x² = x + 7
Kemudian x = 1 dan x = -2.
V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx
V = π / 12 (x4 - 19x2 - 14x + 32) dx
19 V y = x + 7
9 - x² = x + 7
Kemudian x = 1 dan x =28
2025-06-16 05:15:41
622
💔❤️🩹 :
xem video
thoát tik tok
vô máy tính
tính 13×7=91
rồi quay lại tik tok
2025-06-15 07:48:27
1562
❣️STORYSWAP_CHARA❣️ :
Ui dời ơi mấy đoạn kia tui đã đầ n rồi tới đoạn 7 số 13 thì tui đầ n gấp đôi :)
2025-07-26 21:19:22
0
Thik nhầm ngx đẹp :
t bị thao túng tâm lí luôn
2025-06-15 12:02:08
3420
404 :
Ơ ta, xem xog t cx quên lun cách tính ròi 🤡
2025-07-12 06:08:29
54
ngockhuedd :
??? tại sao lại = 28 vây
2025-06-17 12:27:02
0
29Th3 :
2 : 7 = 0 mà😭
2025-07-23 10:00:00
3
nbuonmangtenanh 💓 :
thế nó bằng b nhieu
2025-06-16 07:57:21
1
Võ Thành Đông :
Sai chỗ nào vậy ae 😅
2025-06-16 11:19:29
7
Ánh 🖤 :
91 mà
2025-06-15 07:47:16
45
×͜× - ×͡× Thỏ 7 Màu ᥫᩣ - ♡ :
13×7=28
vì:13 + 7 - x² = x + 7
Kemudian x = 1 dan x = -2.
V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx
V = π / 12 (x4 - 19x2 - 14x + 32) dx
19 V y = x + 7
9 - x² = x + 7
Kemudian x = 1 dan x = 2 + 988 = x + 7.
9 - x² = x + 7
Kemudian x = 1 dan x = -2.
V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx
V = π / 12 (x4 - 19x2 - 14x + 32) dx
19 V y = x + 7
9 - x² = x + 7
Kemudian x = 1 dan x = 2 + 988 = x + 7.
9 - x² = x + 7
Kemudian x = 1 dan x = -2.
V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx
V = π / 12 (x4 - 19x2 - 14x + 32) dx
19 V y = x + 7
9 - x² = x + 7
Kemudian x = 1 dan x = 2 + 988 = x + 7.
9 - x² = x + 7
Kemudian x = 1 dan x = -2.
V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx
V = π / 12 (x4 - 19x2 - 14x + 32) dx
19 V y = x + 7
9 - x² = x + 7
Kemudian x = 1 dan x = 2 + 988 = x + 7.
9 - x² = x + 7
Kemudian x = 1 dan x = -2.
V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx
V = π / 12 (x4 - 19x2 - 14x + 32) dx
19 V y = x + 7
9 - x² = x + 7
Kemudian x = 1 dan x = 2 + 988 = x + 7.
9 - x² = x + 7
Kemudian x = 1 dan x = -2.
V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx
V = π / 12 (x4 - 19x2 - 14x + 32) dx
19 V y = x + 7
9 - x² = x + 7
Kemudian x = 1 dan x =28
2025-06-16 20:38:35
6
goi.to.la.jinz :
Sao t tính nhẩm ra 81 v 🤡
2025-07-22 04:06:06
3
KurobaKaito :
ủa 17x3 = 51 mà
2025-07-24 12:19:10
0
hay đổi :
coi xong video cái giờ quên luôn cách tính
2025-06-15 08:35:15
543
ai_thu :
bả quên lùi số bảy
2025-07-25 15:33:38
1
Thiện Nguyễn :
13×7=28
vì:13 + 7 - x² = x + 7
Kemudian x = 1 dan x = -2.
V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx
V = π / 12 (x4 - 19x2 - 14x + 32) dx
19 V y = x + 7
9 - x² = x + 7
Kemudian x = 1 dan x = 2 + 988 = x + 7.
9 - x² = x + 7
Kemudian x = 1 dan x = -2.
V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx
V = π / 12 (x4 - 19x2 - 14x + 32) dx
19 V y = x + 7
9 - x² = x + 7
Kemudian x = 1 dan x = 2 + 988 = x + 7.
9 - x² = x + 7
Kemudian x = 1 dan x = -2.
V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx
V = π / 12 (x4 - 19x2 - 14x + 32) dx
19 V y = x + 7
9 - x² = x + 7
Kemudian x = 1 dan x = 2 + 988 = x + 7.
9 - x² = x + 7
Kemudian x = 1 dan x = -2.
V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx
V = π / 12 (x4 - 19x2 - 14x + 32) dx
19 V y = x + 7
9 - x² = x + 7
Kemudian x = 1 dan x = 2 + 988 = x + 7.
9 - x² = x + 7
Kemudian x = 1 dan x = -2.
V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx
V = π / 12 (x4 - 19x2 - 14x + 32) dx
19 V y = x + 7
9 - x² = x + 7
Kemudian x = 1 dan x = 2 + 988 = x + 7.
9 - x² = x + 7
Kemudian x = 1 dan x = -2.
V = π112 (9-x2) ² - (x + 7) 2dx
V = π12 (x4-18x² + 81) - (x² + 14x + 49) dx
V = π / 12 (x4 - 19x2 - 14x + 32) dx
19 V y = x + 7
9 - x² = x + 7
Kemudian x = 1 dan x =28
quá ok 😂😂😂
2025-06-17 04:23:46
13
đangtải... :
ủa sao ko tính 10×7=70
3×7=21 r cộng lại là đc r còn j
2025-06-15 05:42:55
31
Bơ 🧈 :
t có thể tự tin sau này t ko thể dạy đc con t vì t dốt nhất là toán 😇