Xiao Ming put 10 yuan into his wallet. The sum of two numbers is equal to the sum of these two numbers. The quotient of a number divided by 2 is the square of the number. 4 A number multiplied by 3 is the cube of this number. Subtracting the difference between the two numbers is equal to the difference between the two numbers. 6 + 9 equals the square of the number plus 9. 7 minus 3 is the square of this number minus 3. 8 Multiplied by 4 is the fourth power of this number. The product of two numbers multiplied by nine is equal to the product of these two numbers. The sum of the two numbers 10 was equal to the sum of half of these two numbers. 11 is a number divided by 6. The quotient is the square of the number divided by 6. 12 A number multiplied by 12 is the number to the power of 12. The difference between the two numbers 13 is equal to the sum of half of the difference between the two numbers. 14, a number plus 3 is equal to the third power of this number plus 3. 15 minus 1 is equal to the power of the number minus 1. 16 A number multiplied by 6 is the sixth power of this number. The quotient of two numbers divided by 17 is the sum of the quotient of these two numbers divided by one number. 18 A number multiplied by 18 is the number to the 18th power. The sum of the two numbers 19 was equal to half of the sum of the two numbers. 20 is a number divided by 3, and the quotient is the third power of the number divided by 3. 21 is a number multiplied by 9, which is the ninth power of this number. The product of two numbers multiplied by 22 is equal to the sum of half of the product of these two numbers. The quotient of two numbers divided by 23 is the sum of the quotient of these two numbers divided by one number. 24 plus 18 is the number raised to the 18th power plus 18. 25 minus 9 is the number 18 minus 9. Twenty-six times three is the number to the power of 18 times three. The difference between the two numbers 27 is equal to the sum of half of the difference between the two numbers. Twenty-eight, a number plus nine is the number to the eighteenth power plus nine. 29 minus 9 is the number 18 minus 9. 30 multiplied by 3 is equal to the number 18 multiplied by 3.