39 nha bạn

Tham khảo

a) $34-29+(-14)+129-(-114)$

$=34-29-14+129+114$

$=34+(129-29)+(114-14)$

$=34+100+100$

$=234$

b) $27\cdot(-35)+(-27)\cdot64-27$

$=(-27)\cdot35+(-27)\cdot64+(-27)\cdot1$

$=(-27)\cdot(35+64+1)$

$=(-27)\cdot(99+1)$

$=(-27)\cdot100$

$=-2700$

c) $160-(4\cdot5^2-3\cdot2^3)\cdot2-(-12)$

$=160-(4\cdot25-3\cdot8)\cdot2+12$

$=160-(100-24)\cdot2+12$

$=160-76\cdot2+12$

$=160-152+12$

$=160-(152-12)$

$=160-140$

$=20$

a, 34 - 29 + (-14) + 129 - (-114)

= 34 + (129 - 29) + (114  - 14)

= 34 + 100 + 100

= 234

b, 27.(-35) + (-27).64 - 27

= (-27).(35 + 64 + 1)

= - 27 . 100

= - 2700

c, 160 - (4.5² - 3.2³).2 - (-12)

= 160 - (4.25 - 3.8).2 + 12

=  160 - (100 - 24).2 + 12

=  160 - 76.2 + 12

= 160 - 152 + 12

= 8 + 12

= 20 

a, 34-29+(-14)+129-(-114)
= 34-29-14+129+114
= (34-14)+(-29+129)+114
= 20 + 100 + 114
= 234

a) \(35\left(14-101\right)-14\left(35-10\right)\)

\(=35\cdot14-35\cdot101-14\cdot35+14\cdot10\)

\(=140-3535=-3395\)

b) \(5^2\cdot\left(-3\right)^3=25\cdot\left(-27\right)=-675\)

a,  35. ( 14 - 101 ) -  14 . ( 35 - 10 )
= 35 . 14 - 35 . 101 - 14 . 35 + 14 . 10

= 35 . 14 . ( - 35 . 101 - 14 . 10 )

= 490 . ( - 3535 - 140) 

= 490 . ( - 35675 ) 

~~ Tự tính nốt nhé

b, \(5^2.\left(-3\right)^3=25.\left(-27\right)\)= - 675

@@ Học tốt

Sai đề k??

a)35.(14-101)-14.(35-10)

=35.14-35.101-14.35-14.10

=35.(14-101-14)-14.10

=35.(-101)-14.10

=-3535-140

=-3675

b)5².(-3)³=25.(-27)=-675

-(-4)-(-5)+9=4+5+9=18

-(-4)-(-5) +9 

= 9 + 9 = 18

nha bạn  okiiiiiii......

-(-4)-(-5)+9

=9        +9

=18

a) 23/105

b) -1 va 55/108

2

a)>

b)<

thank

Viết cách tính ra giúp mìk nha!!!

a)-11/35+8/15=165/525+280/525=445/525

b)-16/27+-11/12=-192/324+-297/324=-489/324

a)-38/48>-14/16

b)-35/48<-7/12

a) \(17+188+183=205+183=388\)

b) \(80-\left[130-\left(12-4\right)^2\right]\)

\(=80-\left(130-64\right)\)

\(80-66=14\)

c) \(2^3.17-2^3.14\)

\(8.17-8.14\)

\(=8.\left(17-14\right)\)

\(=8.3=24\)

a)17.85-15.17-120

=17.(85-17)-120

 =17.68-12

=1156-120

=1036

b)100:[30-(6-1)^ 2]

=100 :[30-5^ 2]

= 100:[30-25]

=100:5=20

c)/-10/+4+3.2^3+(-14)

=10+4+3.8 +(-14)

=14+24+(-14)

=[14 +(-14)]+24

=0+24=24

d)20-[30-(5-1)^ 2: 2]

=20-[30-4^2:2]

=20-[30-8]

=20-22=-2

e)80-(4.5^2-3.2^3)

= 80-(4.25-3.8)

=80-(4.25-3.2.4)

=80-4.(25-3.2)

= 80-4.19

= 80-76=4

g)35-{12-[-14+6-2)]}

=35 -{12-14-6+2}

=35-12+14+6-2

=23+14+6-2

=37+6-2

=43-2=41

-5/7.3/26-5/14.23/13-2/7

= -5/7.3/26-5/7.1/2.23/13-2/7

= -5/7.3/26-5/7.23/26-2/7

= -5/7(3/23+23/26)-2/7

= -5/7-2/7

= -1

a: 86+357+14

=100+357

=457

b: \(3\cdot52-16:22\)

\(=156-\dfrac{8}{11}=\dfrac{1708}{11}\)