Problem I1
Evaluate 29 27/28 x 27 14/15
Solution
Problem I2
In the multiplication on the right, each letter and each █ represent a single digit. Different letters represent different digits but a █ can represent any digit. What is the five-digit number "HAPPY" stands for?
█ 1 █
x 9 █
_________
█ █ 9 █
█ █ █ 7 █
_________
H A P P Y
Solution
Problem I3
Solution
Problem I4
Solution
Problem I5
Solution
Problem I6
Solution
Problem I7
Solution
Problem I8
Solution
Problem I9
Solution
Problem I10
Solution
Problem I11
Solution
Problem I12
Solution
Problem I13
Solution
Problem I14
Solution
Problem I15
Solution
Problem T1
Solution
Problem T2
Solution
Problem T3
Solution
Problem T4
Solution
Problem T5
Solution
Problem T6
Solution
Problem T7
Solution
Problem T8
Solution
Problem T9
Solution
Problem T10
Solution
