4

( 6 + 9 ) = 5 x ___

• 3

• 10

4,859,217 is ________ .

• odd number

• even number

3 = 16 - x

x + 5 = y

y x 4 = ?

a = 34

b = 2 + a

b - 17 = ?

• 19

• 18

Did I like eating 🥮 ?

• Yes

• No

1 + 2 + 3 + 4 .......... + 20 =？

Hints : 1 + 20 =？ 2 + 19 =？ 3 + 18 = ？

• 199

• 200

123,456 = 100,000 + _______。