1).( 27,56 x 35 ) + ( 27,56 x 67 ) - ( 27,56 x 2)

= (964 + 1846,52) - 55,12

=2810,52 - 55,12

= 2755,4

2).( 4x 35 ) x ( 25 x 5 ) x 2

= ( 140 x 125 ) x2

= 17500 x 2

=35000

4). 3/10

5). 1188

6).  61/6

1)2756   2)35000   3)0   4)3/10   5)10/1/6

1,2755,4

2,35000

3,0

4,\(\frac{3}{10}\)

5,1188

6,\(\frac{61}{6}\)

8⁴ x 16⁵ x 32 

= (2³)⁴ x (2⁴)⁵ x 2⁵

= 2¹² x 2²⁰ x 2⁵

= 2³⁷

X x X⁴ x X⁷ x ... x X¹⁰⁰

= X^{1 + 4 + 7 + ... + 100}

Câu b mk chỉ gợi ý thôi nhé! Phần còn lại bn tự tính nhé!

\(2^{37}\)

\(\left[\left(100-1\right):3+1\right].\)\(\left(100+1\right):2=1717\)

\(X^{1717}\)

a)

\(8^4.16^5.32=2^{12}.2^{20}.2^5=2^{37}\)

b)

\(27^4.81^{10}=3^{12}.3^{40}=3^{52}\)

a ) 8⁴ . 16⁵ . 32 = ( 2³ ) ⁴ . ( 2⁴ ) ⁵ . 2⁵ = 2¹² . 2²⁰ . 2⁵ = 2^{12 + 20 + 5} = 2³⁷

b ) 27⁴ . 81¹⁰ = ( 3³ ) ⁴ . ( 3⁴ ) ¹⁰ = 3¹² . 3⁴⁰ = 3¹²⁺⁴⁰ = 3⁵²

a, \(8^4.16^5.32=\left(2^3\right)^4.\left(2^4\right)^5.2^5=2^{12}.2^{20}.2^5=2^{37}\)

b, \(27^4.81^{10}=\left(3^3\right)^4.\left(3^4\right)^{10}=3^{12}.3^{40}=3^{52}\)

`3/4 xx4/5 +3/4xx8/5-3/4xx7/5`

`=3/4xx(4/5+8/5-7/5)`

`=3/4xx5/5`

`=3/4xx1`

`=3/4`

ღYêᑌ_ ᒪღ

`3/4 xx 4/5 + 3/4 xx 8/5 - 3/4 xx 7/5`

`=3/4 xx (4/5 + 8/5 -7/5)`

`= 3/4 xx 5/5`

`= 3/4 xx 1`

`= 3/4`

\(1\dfrac{4}{5}+2\dfrac{5}{7}+3\dfrac{4}{5}+4\dfrac{5}{7}\)

\(\text{=}\left(1\dfrac{4}{5}+3\dfrac{4}{5}\right)+\left(2\dfrac{5}{7}+4\dfrac{5}{7}\right)\)

\(\text{=}1+3+\left(\dfrac{4}{5}+\dfrac{4}{5}\right)+2+4+\left(\dfrac{5}{7}+\dfrac{5}{7}\right)\)

\(\text{=}10+\dfrac{8}{5}+\dfrac{10}{7}\text{=}131\dfrac{1}{35}\)

5 + 5 + 5 + 4 + 4 + 1

= 5 x 3 + (4 + 1) + 4

= 5 x 3 + 5 + 4

= 5 x 4 + 4

= 20 + 4

= 24

= ( 5 + 4 +1 ) + ( 5 + 4 +1 ) + ( 5 + 5 )

=      10         +       10         +     10

=                       30

24

4/5*(19/2+1/2+1)=4/5*11=44/5

=\(\frac{44}{5}\)nhé

CHCUS BẠN HỌC GIỎI

TK MÌNH NHÉ

=(19/2+1/2+1)4/5=11x4/5=44/5=8 vaf 4/5

= 4/5* (3/7+6/7-4/14)

=4/5*14/14

=4/5*1

=4/15

=4/5x(3/7+6/7-4/14)

=4/5x1

=1

\(\frac{4}{5}.\left(\frac{3}{7}+\frac{6}{7}-\frac{4}{14}\right)=\frac{4}{5}.1=\frac{4}{5}\)