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nếu câu trả lời hữu ích nhé!
$\color{#f0768b}{ͼɧ}$$\color{#e88291}{úͼ}$ $\color{#df8d98}{ß}$$\color{#d6979f}{ạɳ}$ $\color{#cba1a5}{ɧọͼ}$ $\color{#c0aaac}{ɡɩỏɩ}$ $\color{#b3b3b3}{♡}$. `color{#0faef2}{cc{ ⭐ღ ˚。⟡ ༒︎꧁˖࣪ Hyouku ⭐ღ ˚。⟡ ༒︎꧁ } `
```\color{#EEC213}{Hoi} \color{#4B869A}{dap247}```
Tham khảo `:`
`a) 2 *[(7 - 3^3 : 3^2) : 2^2 + 99] - 100`
`= 2 *[(7 - 3) : 4 + 99] - 100`
`= 2 *[4 : 4 + 99] - 100`
`= 2 *[1 + 99] - 100`
`= 2 * 100 - 100`
`= 200 - 100`
`= 100`
`b) 2^7 : 2^2 + 5^4 : 5^3 * 2^4 - 3 * 2^5`
`= 2^5 + 5^1 * 16 - 3 * 32`
`= 32 + 80 - 96`
`= 112 - 96`
`= 16`
`c) (3^5 * 3^7) : 3^10 + 5 * 2^4 - 7^3 : 7`
`= 3^12 : 3^10 + 5 * 16 - 7^2`
`= 3^2 + 80 - 49`
`= 9 + 80 - 49`
`= 89 - 49`
`= 40`
`d) 3^2 * [(5^2 - 3) : 11] - 2^4 + 2 * 10^3`
`= 9 * [(25 - 3) : 11] - 16 + 2 * 1000`
`= 9 * [22 : 11] - 16 + 2000`
`= 9 * 2 - 16 + 2000`
`= 18 - 16 + 2000`
`= 2 + 2000`
`= 2002`
`e) (6^2007 - 6^2006) : 6^2006`
`= 6^2007 : 6^2006 - 6^2006 : 6^2006`
`= 6^1 - 1`
`= 6 - 1`
`= 5`
`f) (7^5 + 7^9) * (5^4 + 5^5) * (3^3 * 3 - 9^2)`
`= (7^5 + 7^9) * (5^4 + 5^5) *(27 *3 - 81)`
`= (7^5 + 7^9) * (5^4 + 5^5) * (81 - 81)`
`= (7^5 + 7^9) * (5^4 + 5^5) * 0`
`= 0`
`g) {210 : [16 + 3 * (6 + 3 . 2^2)]} - 3`
`= {210 : [16 + 3 * (6 + 3 . 4)]} - 3`
`= {210 : [16 + 3 * (6 + 12)]} - 3`
`= {210 : [16 + 3 * 18]} - 3`
`= {210 : [16 + 54]} - 3`
`= {210 : 70} - 3`
`= 3 - 3`
`= 0`
`h) (5^2001 - 5^2000) : 5^2000`
`= 5^2001 : 5^2000 - 5^2000 : 5^2000`
`= 5^1 - 1`
`= 5 - 1 `
`= 4`
`i) (7^2005 + 7^2004) : 7^2004`
`= 7^2005 : 7^2004 + 7^2004 : 7^2004`
`= 7^1 + 1`
`= 7 + 1 = 8`
`j) (5^7 + 7^5) * (6^8 + 8^6) * (2^4 - 4^2)`
`= (5^7 + 7^5) * (6^8 + 8^6) * (16 - 16)`
`= (5^7 + 7^5) * (6^8 + 8^6) * 0`
`= 0`
`text{_________________________________________________}`
`+` Số nào nhân với `0` đều bằng `0` không cần làm nữa
`+` Lũy thừa `->` Nhân `;` Chia `->` Cộng `;` Trừ
`+` `(` `)` `->` `[` `]` `->` `{` `}`
Hãy giúp mọi người biết câu trả lời này thế nào?

`a)`
`2.[(7-3^3 : 3^2):2^2 +99]-100`
`=2.[(7-3):4+99]-100`
`=2(4:4+99)-100`
`=2(1+99)-100`
`=2.100-100`
`=200-100`
`=100`
`b)`
`2^7 : 2^2 + 5^4 : 5^3 . 2^4 - 3.2^5`
`=2^5 + 5 . 2^4 -3 . 2^5`
`=2^4 (2+5-2.3)`
`=2^4 .1`
`=16`
`c)`
`(3^5 . 3^7):3^10 +5.2^4 - 7^3 : 7`
`=3^12 : 3^10 + 80-49`
`=9+80-49`
`=80-40`
`=40`
`d)`
`3^2 . [(5^2 - 3):11]-2^4 + 2.10^3`
`=9.(22:11)-16+2.1000`
`=9.2-16+2000`
`=18-16+2000`
`=2+2000`
`=2002`
`e)`
`(6^(2007) - 6^(2^2006)):6^2006`
`=6^2006 (6-1) : 6^ 2006`
`=5`
`h)`
`(5^2001 - 5^2000) : 5^2000`
`=5^2000 (5-1) : 5^2000`
`=4`
`i)`
`(7^2005 + 7^2004):7^2004`
`=7^2004 (7+1):7^2004`
`=8`
`j)`
`(5^7 + 7^5) . (6^8 + 8^6).(2^4 - 4^2)`
`=(5^7 + 7^5) . (6^8 + 8^6).0`
`=0`
`f)`
`(7^5 + 7^9).(5^4+5^6).(3^3 . 3-9^2)`
`=(7^5 + 7^9).(5^4+5^6).0`
`=0`
`g)`
`{210:[16+3.(6+3.2^2)]}-3`
`={210:[16+3.(6+12)]}-3`
`=[210:(16+3.18)]-3`
`=[210:(16+54)]-3`
`=(210:70)-3`
`=3-3`
`=0`
Hãy giúp mọi người biết câu trả lời này thế nào?

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