a: \(32684+41325+316+675\)

\(=\left(32684+316\right)+\left(41325+675\right)\)

\(=33000+42000=75000\)

b: \(25\cdot18\cdot4\cdot2\)

\(=18\cdot2\cdot\left(25\cdot4\right)\)

\(=36\cdot100=3600\)

c: \(19\cdot81+19+18\cdot19\)

\(=19\left(81+1+18\right)\)

\(=19\cdot100=1900\)

^{A, 32684 + 41325 + 316 + 675}

^{=(32684+316)+(41325+675)}

=33000+42000

=75000

^{B, 25 x 18 x 4 x 2}

^{=(25x4)x(18x2)}

^=100x36

⁼³⁶⁰⁰

^{C, 19 x 81 + 19 + 18 x 19}

=19x(81+18+1)

=19x100

=1900

C bị sai đề bạn ơi

a ) 32684 + 41325 + 316 + 675

=(32684+316)+(41325+675)

=33000+42000

=75000

 b) 58216 + 427 + 1784 + 573 

=(58216+1784)+(427+573)

=60000+1000

=61000

159753

`#3107`

\(\text{32684+41325+316+675}\\ =\left(32684+316\right)+\left(41325+675\right)\\=33000+42000\\ =75000\)

nhóm 32634+316 và 41325+675 nhe 

(32684+316)+(41325+675)

a, 32684 + 41325 + 316 +  675

= (32684 +  316) + (41325 + 675)

= 33 000 + 42 000

= 75 000 

b, 25 \(\times\) 18 \(\times\) 4 \(\times\) 2

= (25 \(\times\) 4) \(\times\) (18 \(\times\) 2)

= 100 \(\times\) 36

= 3600

c, 19 \(\times\) 81 + 19 + 18 \(\times\) 19

= 19 \({}\) \(\times\) 81 + 19 \(\times\) 1 + 18 \(\times\) 19

=  19 \(\times\) (81 + 1 + 18) 

=  19 \(\times\)  100 

= 1900 

$8\times 427\times 3+6\times 563\times 4$

$=24\times 427+24\times 563$

$=24\times (427+563)$

$=24\times 1000$

$=24000$

$8\times 427\times 3+6\times 563\times 4$

$=24\times 427+24\times 563$

$=24\times (427+563)$

$=24\times 1000$

$=24000$

8 x 427 x 3 + 6 x 573 x 4

= (8 x 3) x 427 + 573 x (6 x 4)

= 24 x 427 + 573 x 24

= 24 x (427+573)

= 24 x 1000

= 24 000

a) \(-215+\left(-427\right)-\left(-515\right)-573\)

\(=-215+\left(-427\right)+515-573\)

\(=\left(-215+515\right)+\left(-427-573\right)\)

\(=-300+-1000=-1300\)

b) \(-68+68.\left(-76\right)+68.\left(-23\right)\)

\(=68.\left(-1\right)+68.\left(-76\right)+68.\left(-23\right)\)

\(=68.\left(-1+-76+-23\right)\)

\(=68.-10=-6800\)

= 24 x 427 + 24 x 573

= 24 x (427 + 573)

= 24 x 1000

= 24000

\(=\left(8\times3\right)\times427+\left(6\times4\right)\times573\\ =24\times427+24\times573\\ =24\times\left(427+573\right)\\ =24\times1000\\ =24000\)

 8 x 427 x 3 + 6 x 573 x 4

= 8 x 3 x 427 + 6 x 4 x 573

= 24 x 427 + 24 x 573

= 24 x (427 + 573)

= 24 x 1000

= 24000

 2008 x 867 + 2009 x 133

= 2008 x 867 + 2008 x 133 + 133

= 2008 x (867 + 133) + 133

= 2008 x 1000 + 133

= 2008133

tick cho mink nhé

a) \(8x427x3+6x573x4\)

\(=8x3x427+6x4x573\)

\(=24x427+24x573\)

\(=24x\left(427+573\right)\)

\(=24x1000\)

\(=24000\)

b) \(2008x867+2009x133\)

\(=2008x867+\left(2008+1\right)x133\)

\(=2008x867+2008x133+133\)

\(=2008x\left(867+133\right)+133\)

\(=2008x1000+133\)

\(=2008000+133\)

\(=2008133\)

\(a,8\times427\times3+6\times573\times4\)

\(=24\times427+24\times573\)

\(=24\times\left(427+573\right)\)

\(=24\times1000\)

\(=24000\)

\(b,6\times1235\times20-5\times235\times24\)

\(=120\times1235-120\times235\)

\(=120\times\left(1235-235\right)\)

\(=1235\times1000\)

\(=1235000\)

a: =24x427+24x573

=24000

$a,8\times 427\times 3+6\times 573\times 4$

$=24\times 427+24\times 573$

$=24\times \left(427+573\right)$

$=24\times 1000$

$=24000$

$b,6\times 1235\times 20-5\times 235\times 24$

$=120\times 1235-120\times 235$

$=120\times \left(1235-235\right)$

$=1235\times 1000$

$=1235000$