d) 1645 x 1645 - 1645 x 645 solve using suitable properties
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d) 1645 x 1645 - 1645 x 645 solve using suitable properties
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Step-by-step explanation:
1645 * 1645 - 1645 *645
= 1645 * (1645-645)
= 1645 * 1000
= 1645000 =
1645 x 1645 - 1645 x 645
=> 2,706,025 - 1,061,025
=> 1,645,000
@MissWorst