8006

423 x 18 + 423 + 16 - 423 : 9 = 8006

8006

\(423\times18+423\times16-423:9\\ =423\times18+423\times16-423\times\dfrac{1}{9}\\ =423\times\left(18+16-\dfrac{1}{9}\right)\\ =423\times\dfrac{350}{9}\\ =14335\)

423×18+423×16−423:9=423×18+423×16−423×19=423×(18+16−19)=423×3509=14335

1.A
2.A
3.B
4.C
5.B
6.C
7.A
8.A
9.B
10.A
11.B
12.A
13.C
14.B
15.B
16.A
17.A
18.A
19.A
20.C

1 is explained

2 was stolen

3 will be opened

4 is being closed

5 is going to be built

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