Question

4. Find the value of each of the following using various properties
i. 273×29+273×71
ii. 8765×999+8765
iii. 2398×761-2398×661
iv. 12345×12345-12345×2345
v. 389×17+389×23+389×60
vi. 683×36+683×17-(683×48)-(5
×683)​
Answer fast

Answer 1

Given :- Find the value of each of the following using various properties .

(i) 273×29+273×71

→ 273(29 + 71)

→ 273 * 100

→ 27300

(ii) 8765×999+8765

→ 8765(999 + 1)

→ 8765 * 1000

→ 8765000

(iii) 2398×761-2398×661

→ 2398(761 - 661)

→ 2398 * 100

→ 239800

(iv) 12345×12345-12345×2345

→ 12345(12345 - 2345)

→ 12345 * 10000

→ 123450000

(v) 389×17+389×23+389×60

→ 389(17 + 23 + 60)

→ 389 * 100

→ 38900

(vi) 683×36 + 683×17- (683×48) - (5×683)

→ 683(36 + 17 - 48 + 5)

→ 683 * 10

→ 6830

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