\(a)\frac{1024}{17\cdot2^5+15\cdot2^5}=\frac{1024}{(17+15)\cdot2^5}=\frac{1024}{32\cdot32}=\frac{1024}{1024}=1\)

\(b)2^2\cdot102-2^3\cdot17-2^2\cdot34=2^2\cdot(102-34)-2^3\cdot17\)

                                                        \(=4\cdot68-8\cdot17\)

                                                          \(=272-136=136\)

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a) 4.5²-3.2³ = 2².5²-3.2³ = 2².(5²-3.2) =2².(25-6) = 4.19 = 76

b) 28.76 + 13.28 + 9.2

= 28. (76 + 13) + 18

= 28. 89 + 18

= 2492 + 18

= 2510

c) 1024: ( 17 .2⁵+15.2⁵)

= 2¹⁰ : [2⁵.(17+15)]

= 2¹⁰: [2⁵. 32]

= 2¹⁰: [2⁵.2⁵)

= 2¹⁰:2¹⁰

= 1

a) 4.5²-3.2³

=2².5²-3.2³

=2².(25-6)

=4.11

=44
 b) 28.76+13.28+9.2

=28.(76+13)+9.2

=28.89+9.2

=2.(1246+9)

=2.1255

=2510
 c) 1024:(17.2⁵+15.2⁵)

=1024:2⁵.(17+15)

=1024:32.32

=1

Thanks 

\(A=1024:\left(17.2^5+15.2^5\right)\)

\(=1024:\left[2^5.\left(17+15\right)\right]\)

\(=1024:\left[32.32\right]\)

\(=1\)

\(A=\frac{1024}{17.2^5+15.2^5}=\frac{1024}{2^5.\left(17+15\right)}=\frac{1024}{32.32}=\frac{1024}{1024}=1\)

A=4

B=2800

C=679936

D=3

Trả lời nhanh giúp tớ với: 

28.76-18.28+9.28=?

Giúp tớ nhé

a/ 25.85+15.25=25(85+25)=25.110=2750

b/ 2048 : (17.2^5 +15. 2^5)= 2048 : [2^5 ( 17+15)]=2048 : ( 32. 32) = 2048 : 1024 = 2

\(a.=3.25+15.4.20:2\)

\(=75+600\)

\(=675\)

\(c.=50-\left[\left(50-8.5\right):2+3\right]\)

\(=50-\left[\left(50-40\right):2+3\right]\)

\(=50-\left[10:2+3\right]\)

\(=50-\left[5+3\right]\)

\(=50-8\)

\(=42\)

a, = 3.25 + 15.4 - 16 : 2 = 75 + 60 - 8 = 135 - 8 = 127