The approximate equation 87 times 68 is approximately equal to

87×68=5916≈6000.

How many times 75 is 68? Please, masters!

There are no restrictions on this. If not, 0 is OK
Or 75 * 68 = 68 * 75

In a subtraction formula, the sum of the subtracted, the subtracted and the difference is 240, and the subtraction is five times the difference. What is the subtraction?

In a subtraction formula, the sum of the subtracted, the subtracted and the difference is 240, and the subtraction is five times the difference. What is the subtraction?
240÷2÷（1+5）×5
=120÷6×5
=20×5
=100

RELATED INFORMATIONS

1. What is π in the formula? Xc=1/2πfc
2. In a division formula with no remainder, if the divisor times the divisor times the quotient equals 100, what is the divisor?
3. Fill in brackets in the following formula to make the equation hold 1.1.7x0.9 + 1.2 divided by 0.3-0.2 = 48.82.2.7x0.9 + 1.2 divided by 0.3-0.2 = 18.3 Thanks again 7x0.9 + 1.2 divided by 0.3-0.2 = 75 4.7x0.9 + 1.2 divided by 0.3-0.2 = 47.6
4. What is the minimum number of a certain number divided by 3 to 1, divided by 4 to 2, divided by 5 to 3, divided by 6 to 4?
5. Only one number can be moved, but not the symbol. How can we make the formula 101-102 = 1 hold
6. 101-103 = 1 move a number to make the formula true
7. 101-102 = how to move one digit?
8. Why is 101-102 equal to 1
9. Why is 101-102 equal to 1? Do not change the number, only change the nature of the subtraction. Don't answer!
10. In the equation 3 times () - 2 times () = 40, fill in a number in the two brackets, so that the two numbers are opposite to each other, and the equation holds, then what is the number filled in the first bracket?
11. 3 (y plus 2) is equal to minus 2 (y minus 1)
12. Add brackets to the following formulas, and the result is equal to 1 1+2x3-4÷5=1 1x2﹢3-4+5÷6=1 1+2x3÷+4+5+6÷7=1 1+2÷3x4+5+6-7÷8=1 1x2+3x4-5+6+6-8÷9=1 The third line I wrote wrong is 1 + 2x3 △ 4 + 5 + 6 △ 7 = 1, sorry.
13. There are also four rational numbers - 2, 5, 7 and - 13, whose result can be made equal to 24 by the expression () Please write down the process of solving the problem
14. Multiply a number by 8, divide it by 2, and subtract 20. The result is 100. Do you know what the number is? fast
15. Multiply a number by 8, divide it by 2, and subtract 20. The result is 100. What's the number?
16. What is the result of the sum of 45 and the quotient divided by 4 / 5?
17. What's the product of 35 plus the quotient of 14 divided by 34 and the sum multiplied by 57?
18. Known: 1111 = 0 5231 = 0 2222 = 0 0000 = 4 3021 = 1 Known: 1111 = 0 5231 = 0 2222 = 0 0000 = 4 3021 = 1 9821 = 3 4825 = 2 4309 = 2 Q: 5889 =?
19. 3+33+333+3333+33333+333333+3333333+33333333 I want you to explain the problem
20. Calculation: (1 / 2 + 1 / 3 +... 1 / 2006) (1 + 1 / 2 + 1 / 3 +... 1 / 2005) - (1 + 1 / 2 +... 1 / 2006) (1 / 2 + 1 / 3 +... 1 / 2005) Write out the calculation process