Rút gọn biểu thức
----- Nội dung dịch tự động từ ảnh -----
Bài 2: Rút gọn biểu thức
1) V12 +5/3 – J48
2) 5/5 + /20 – 3/45
3) 2/32 +4/8 - 5/18
4) 3V12 – 4/27 +5/48
5) V12 + V75 – V27
6) 2V18 – 7/2+ V162
1
7) 3/20 – 2/45 +4/5
8) (/2 + 2)/2 – 2/2
9)
V5-1 V5
+1
2+ 2
12)
2
1
10)
1
V5 -2 V5 +2
11)
4- 3/2 4+3/2
1+ 2
13) (/28 – 2/14 + 7)7+7/8
14) (V14 – 3/2) +6/28
15) (6 - V5) - V120
16) (2/3 – 3/2) +2/6 + 3/24
17) Ja-V2) + V(/2+ 3)²
18) J(3-2) + V(J3-1)
19) (V19 – 3)(/19 + 3)
20) 4x + (x-12) (x2 2)
Vī+ 15, 7- 15
21)
22) v
7- 15 7+ 5
23) (2- 3} - Ve2+ 5}
24) (5 – 3) + V(5 + 3}F
26) V/5 + 2J6 ) + v8 - 2/IS
25) V8 + 2/15 - 18 - 2/15
26) V5 +
+ /8 – 2V15
Bài 2: Rút gọn biểu thức
1) V12 +5/3 – J48
2) 5/5 + /20 – 3/45
3) 2/32 +4/8 - 5/18
4) 3V12 – 4/27 +5/48
5) V12 + V75 – V27
6) 2V18 – 7/2+ V162
1
7) 3/20 – 2/45 +4/5
8) (/2 + 2)/2 – 2/2
9)
V5-1 V5
+1
2+ 2
12)
2
1
10)
1
V5 -2 V5 +2
11)
4- 3/2 4+3/2
1+ 2
13) (/28 – 2/14 + 7)7+7/8
14) (V14 – 3/2) +6/28
15) (6 - V5) - V120
16) (2/3 – 3/2) +2/6 + 3/24
17) Ja-V2) + V(/2+ 3)²
18) J(3-2) + V(J3-1)
19) (V19 – 3)(/19 + 3)
20) 4x + (x-12) (x2 2)
Vī+ 15, 7- 15
21)
22) v
7- 15 7+ 5
23) (2- 3} - Ve2+ 5}
24) (5 – 3) + V(5 + 3}F
26) V/5 + 2J6 ) + v8 - 2/IS
25) V8 + 2/15 - 18 - 2/15
26) V5 +
+ /8 – 2V15