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(647.17)²- (325.83)²

Sagot :

Answer:

312599.1055

Step-by-step explanation:

647.17 squared is: 418764.2944

325.83 squared is: 106165.1889

418764.2944 -106165.1889

=312599.1055

Answer:

Step-by-step explanation:

a²-b²=(a+b)(a-b)

(647.17)²-(325.83)²=(647.17+325.83)(647.17-325.83)

=(973.00)(321.34)

=312663.82