= 4/5 - 9/16.4/5
= 4,5.(1-9/16)
= 4,5. 7/16
= 7/20
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Các câu hỏi tương tự
4/5-3/4.4/5.3/4
a,1\2 +3/4+5/8
b,-3/4.4/7+-3/5.3/7+2/-5
c,(3/4-5/6+7/12).+(-12/7)
Giải giúp ạ
3^0.3^5.3^7
16^3 : 4^2
2^4.4^3
2^4.5^4
rút gọn phân số 3^4.2^3-3^4.4/3^5.3^2-3^5.5
Rút gọn phân số sau: 3^4.2^3 - 3^4.4 phần 3^5.3^2- 3^5.5
2^2.4^4.2^6.2.22.2^3.2^7.2^43^2.33^4.3^3.33.3^5.3^4.3^23.3^6.3^7.3^44.4^34^5.4.4^74.4^3.4^5.4^65.5^65.5^45.5^2.5^45.5^3.5^4.5^65.5^6.5^4.5^3x.x^2x.x^3.x^5a.a^4a.a^2.a^4.a^5.a^7a.a^3.a^5.a^6a^4.a.a^5.a^6.ax.x^3.x^4x^5.x^4.x.x^7.x^67.7^27.7^2.7^4.7^57^3.7^5.7.7^47^2.7.7^6.7^6.7^310.10^210.10^210.100.10^310.100.10^4.100010^2.10^4.100.1000
Đọc tiếp
2^2.4^4.2^6.2.2=
2.2^3.2^7.2^4=
3^2.3=
3^4.3^3.3=
3.3^5.3^4.3^2=
3.3^6.3^7.3^4=
4.4^3=
4^5.4.4^7=
4.4^3.4^5.4^6=
5.5^6
5.5^4=
5.5^2.5^4=
5.5^3.5^4.5^6=
5.5^6.5^4.5^3=
x.x^2
x.x^3.x^5=
a.a^4
a.a^2.a^4.a^5.a^7=
a.a^3.a^5.a^6
a^4.a.a^5.a^6.a=
x.x^3.x^4=
x^5.x^4.x.x^7.x^6=
7.7^2=
7.7^2.7^4.7^5=
7^3.7^5.7.7^4=
7^2.7.7^6.7^6.7^3=
10.10^2=
10.10^2=
10.100.10^3=
10.100.10^4.1000=
10^2.10^4.100.1000=
\(A=\frac{3^4.2^3-3^4.4}{3^5.3^2-3^5.5}\)
\(5.3^x=5.3^4\)
\(5.3^x=7.3^5-2:3^5\)
4/5-3/4.4/5-3/4