Subtraction practice problems - page 80 of 81
Number of problems found: 1609
- Chocholate
The table of chocolate is divided into squares on its surface. Lengthwise has 15 squares and widthwise 19 squares. We must chocolate broke into individual squares. How many times have we broken it to get only individual squares? It is not permitted to bre
- Mom and daughter
Mom is 21 years older than the daughter. What is the age difference between them in 32 years?
- Vector
Determine coordinates of the vector u=CD if C[12;-8], D[6,20].
- Saving
Mom said that Suzan saves about 700 EUR (rounded to tens). How many euros could she at least save (minimum)?
- Mistake
Nicol needs to correct errors when calculating in school. Instead of adding the number 20, she subtracts it. What is the difference between the result and the correct result?
- Grandchildren
Grandma bought new briefcases for her grandchildren. Pavel got a blue briefcase for 1350 CZK, and Markétka got a red briefcase, which was 270 CZK more expensive than Pavl's. How much did the red briefcase cost? How much CZK did Grandma pay for both briefc
- I think number
I think number. When I add 432 to it and subtract 197, I get a number that is 39 greater than 1824. What number am I thinking?
- Farm
Agricultural cooperative (farm) produced 14144 liters of milk for 16 days, which exceeded the plan by 1984 liters. How many liters of milk had a day planned to produce?
- About what
How much and how many times is 28.3 greater than 0.0283?
- Numbers
Find a number on the number line that has the same distance from these numbers:
- Efficiency of rail
With subsidies, is business easy? Calculate how much a rail ticket (x) would cost at today's ticket price € 11 if the government did not subsidize the trains. It is known that it would cost three times today's ticket without subsidies. Calculate the value
- Two boats
Two boats are located from a height of 150m above the lake's surface at depth angles of 57° and 39°. Find the distance of both boats if the sighting device and both ships are in a plane perpendicular to the lake's surface.
- It is rectangular?
The size of two of the angles in a triangle is α=110°, β=40°. Is it a right triangle?
- ABS
What is the value of ||-81|-|-90||?
- Root
The root of the equation (x-10)² +4 = x² +35x is (equal or greater or less than zero). ...
- Opposite numbers
Calculate opposite numbers (additive inverse) to given ones:
- Unknown x
If we add to the unknown number 35, then divide by 2, and then subtract 35, we get back an unknown number. What is this unknown number?
- Textbooks
After checking the textbooks, it was found that teachers should withdraw every 9-th textbook. Together, 176 textbooks were withdrawn. How many textbooks were in stock before being withdrawn, and how many after withdrawal?
- Bus vs. train
The bus started from point A 15 minutes before the train started from the same place. The bus went at an average speed of 45 km/h, train at 54 km/h. To point B train and bus arrived simultaneously. Calculate the train journey time if the train and bus tra
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