New Multiplication C

How to multiply 2 double-digit numbers.

24 x 31 = (20 + 4)(30 + 1)
= 600 + 20 + 120 + 4
= 744

59 x 75 = (50 + 9)(70 + 5)
= 3500 + 250 + 630 + 45
= 3545 + 880
= 4425

How to multiply 2 triple-digit numbers.

324 x 531 = (300 + 24)(500 + 31)
= 150000 + 9300 + 12000 + 744
= 150744 + 21300
= 172044

256 x 475 = (200 + 56)(400 + 75)
= 80000 + 15000 + 22400 + 4200
= 84200 + 37400
= 121600

Multiply double-digit number x triple digit number.

26 x 431 = (20 + 6)(400 + 31)
= 8000 + 620 + 2400 + 186
= 8186 + 3020
= 11206

329 x 45 = (300 + 29)(40 + 5)
= 12000 + 1500 + 1160 + 145
= 12145 + 2660
= 14805

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