a)3232+32.99+235.68-35.68=3200+32+(32.99)+235.68-35.68

                                         =3200+(32.100)+68.(235-35)

                                         =3200+3200+68.200

                                         =3200+3200+13600

                                         =6400+13600=20000

4747+47.99+245.53-53.45

=47.101+47.99+245.53-53.45

=47.(101+99)+53.(245-45)

=47.200+53.200

=200.(47+53)

=200.100

=20000

4.49.25+5.51.20

=100.49+100.51

=100.(49+51)

=100.100

=10000

101.27+27.99+6363+63.99

=101.27+27.99+63.101+63.99

=101.(27+63)+99.(27+63)

=101.90+99.90

=(101+99).90

=200.90

=18000

2003² - 2002.2003

= 2003.(2003 - 2002)

= 2003 . 1

= 2003

-------------------

7(x - 2) + 2³ = 2.5²

7(x - 2) + 8 = 2.25

7(x - 2) = 50 - 8

7(x - 2) = 42

x - 2 = 42 : 7

x - 2 = 6

x = 6 + 2

x = 8

-------------------

23 + (27 - 7.6) - (94.7 - 27.99)

= 23 + 27 - 42 - 658 + 2673

= 23 + (27 + 2673) - (42 + 658)

= 23 + 2700 - 700

= 23 + 2000

= 2023

`2023^2-2022.2023`

`=2023.2023-2022.2023`

`=2023.(2023-2022)`

`=2023.1`

`=2023`

__

` 23 + (27 - 7.6) - (94.7 - 27.99)`

` = 23 + (27 - 42) - (658 - 2673)`

` = 23 + (-15) - (-2015)`

` = 8 + 2015`

` = 2023`

\(2023^2-2022.2023\)

\(=2023\left(2023-2022\right)\)

\(=2023.1\)

\(=2023\)

\(23+\left(27-7.6\right)-\left(94.7-27.99\right)\)

\(=23+27-7.6-94.7+27.99\)

\(=23+\left(27+27.99\right)-\left(7.6+94.7\right)\)

\(=23+27\left(1+99\right)-7.\left(6+94\right)\)

\(=23+27.100-7.100\)

\(=23+2000\)

\(=2023\)

16+(27-7.6)-94.7-27.99

=16+27-7.6-94.7-27.99

16+27(1+99)-7(6+94)=+2700-700=2016

đúng thì tk cho mk nha

2016 nha ban

Đáp án là 2016 bạn nha

=2016 nha

Mình tính ra là 2023.Có ai có ý kiến không ?

what the heo my

mình ra 2023 có ai ra 2023 ko

ai có thì để lại cho mik 1 cái tích đúng nha

cảm ơn các bạn