What's the rule that 12 times 12 equals 144

What's the rule that 12 times 12 equals 144

12 * 12 = 144, hundreds and tens: 12 + 2 = 14, individuals: 2 * 2 = 4,
Similarly, 13 * 13 = 169, hundred and ten: 13 + 3 = 16, individual: 3 * 3 = 9,
14 * 14 = 196, hundreds and tens: 14 + 4 = 18, tens and tens: 4 * 4 = 16,
15 * 15 = 225, 100, 10: 15 + 5 = 20, 10, 10: 5 * 5 = 25,

What is 12 degrees, 30 minutes, 20 seconds multiplied by two

25 degrees, 0 minutes, 40 seconds

Y is the range of (3 plus x) divided by (4 minus x)

X divided by Y is equal to 27 plus 19. Given that x minus y is equal to 565, find out what x and y are

Y is equal to (565-19) / (27-1) = 21
X equals 565 + 21 = 586

299 divided by (299-299 / 300)
Simple and convenient operation

229/(299-229/300)
=300*299/(300*299-299)
=300*299/[299*(300-1)]
=300*299/(299*299)
=300/299

299 and 1 / 16 divided by minus 5

299 and 1 / 16 divided by minus 5
= (299 + 1/16 ) ÷(-5)
= ( 300 - 15/16)÷(-5)
= (15/16 - 300)÷5
= 15/16 / 5 - 300/5
= 3/16 - 60
=- 59 and 13 / 16

A number divided by 253 more than 1, divided by 299 more than 2, what is the maximum value of this number?
fast

253－1＝252
299－2＝297
252＝2×2×3×3×7
297＝3×3×3×11
What is the maximum of this number
3×3＝9

Two fifths of a book is 56 pages, and three fourths of this book is () pages

Two fifths of a book is 56 pages, and three fourths of this book is (105) pages
56 ÷ (2 / 5) × 3 / 4 = 28 × 5 × 3 / 4 = 105 pages;
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42÷3=?38÷2=?56÷4=?

42／3＝14
38／2＝19
56／4＝14

What is 99 + 56 + 73 + 65 + 89

382