\(4.3^2-75:5^2=4.9-75:25=36-3=33\)
\(4.3^2-75:5^2=4.9-75:25=36-3=33\)
bài 2: tính
a) 52 - (5.33 - 4.23).19
b) 215 - (52.23 + 700):32
c) 16.25 + 24 .75
d) 15.23 + 4.32 - 5.7
Tính
5⁶ : 5³ +2³ :2²
3333 : 3 + 225 : 15
15 . 2³ + 4.3² -5.7
5.4² - 18 : 3²
6² : 4.3 + 2.5³
80 - ( 4.5² - 3.2³)
Tính
5⁶ : 5³ +2³ :2²
3333 : 3 + 225 : 15
15 . 2³ + 4.3² -5.7
5.4² - 18 : 3²
6² : 4.3 + 2.5³
80 - ( 4.5² - 3.2³)
5⁶ : 5³ +2³ :2²
3333 : 3 + 225 :15
15.2³ + 4.3² - 5.7
5.4² - 18 :3²
6² : 4.3 +2.5²
80 - ( 4.5² -3.2³)
Tính nhanh
a 23 .75 + 23.75 +180
b 27.76+24.27 +260
c 2.53 -36: 32+ 2.3
d 15 .23+4.32 5.7
A=2^12.3^5-4^6.9^2/(2^2.3)^6+8^4.3^5
c) \(\dfrac{\left(2^4.3^5\right)^3.49^{15}-31.6^{12}.9.\left(7^7\right)^4}{2^{11}.21^{14}.343^5+\left(2^4.3^5.7^{10}\right)^3}\)
giúp minh với các bạn ơi. huhu ai đúng mình tích cho nhé
2x+5+3^4.3^2
tim x
a)2x3-25=29
b)125:(3x-10)=25
c)136-(2x-4)=32.2
d)140:(15-x)=70
e)4.3x-1=35
g)360-(220-4x)=160
f)24:22+x.33.3=166
h)4(x-5)-25=75
i)35-5(2x+2)=5
k)2x3-126=2
\((-15)-[2^4.3+5.(17-25)]\)