Adding - examples - page 7

  1. Expression 1
    plus_minus_mult What is 7+8-(5×2)+5-4+(6×(5-3)+6)-(8+10)-7+6?
  2. Princess
    princezna Princess has lost 321 beads and Prince George are all trying to find. On the first day he found all but 83 beads. On the second day he found 68 beads. On the third day he found the rest, but the princess had lost 76. How many beads had Princess after the f
  3. Conversion of units
    meter_2 Complete the following length data
  4. Roses and tulips
    flowers_3 At the florist are 50 tulips and 5 times less roses. How many flowers are in flower shop?
  5. 2d shape
    semicircles_rect Calculate the content of a shape in which an arbitrary point is not more than 3 cm from the segment AB. The length of the segment AB is 5 cm.
  6. Car parking
    motocycles The car park has 45 motorcycles and 25 cars. 14 cars went away and 2 arrived, then departs 12 motorcycles and 2 arrive. How many motorbikes and cars there are now?
  7. Microsaving
    boy_1 Honza saved 72 crowns. Pepík saved 9 crowns more than Honza. How many crowns saved Pepík?
  8. Hello adding
    adding_1 Fill letters instead of digits so the indicated sum (equal letters represent equal digits). What number is hidden under the letter J? A A H A H O A H O J -------------------------- 4 3 2 1
  9. Answer
    juice Mam used 9 red, 9 green apples and 3 pears to prepare juice. How many pieces of fruit used by mom to prepare this juice?
  10. Saving per cents
    penize.JPG The first day I save 1 cent and every next day cent more. How many I saved per year (365 days)?
  11. Elevator
    vytah The panel house has ten over-ground floors and four underground. The lift goes from the ground floor to 2nd floors, then goes down to 3rd underground floors, then 9 floors up and finally 4 floors down. To what story elevator come? How many floors did it cr
  12. Bus 2
    bus2 On the 6-th stop 44 passengers take off from bus. Overall, the 6-th stop 13 passengers were added. How many passengers take on 6-th stop?
  13. Videotape
    vhs Viera bought a videotape on which you can record programs with a total length of 240 minutes. She recorded a sci fi movie 1 hour and 28 minutes long, five ten-minute sessions "aerobics at home." Can she fits on the tape even film of Robin Hood who takes a
  14. Televisions
    tvs.JPG Television is the fifth most expensive and tenth cheapest TV. How many different TVs are in stores?
  15. De Moivre's formula
    sqrt3_complex There are two distinct complex numbers z such that z3 is equal to 1 and z is not equal 1. Calculate the sum of these two numbers.
  16. Airport
    b737 On blue airport are 23 aircraft, flew 7 aircraft, the arrival 9 aircraft. How many planes were a blue airport tonight?
  17. Forces
    vectors_4 Forces with magnitudes F1 = 42N and F2 = 35N act at a common point and make an angle of 77°12'. How big is their resultant?
  18. Difference AP
    delta Calculate the difference of arithmetic progression if the sum of its first 19 members Sn = 8075 and the first member is a1 = 20
  19. Apples in baskets
    basket Determine how many apples are in baskets when in the first basket are 4 apples, and in any other is 29 apples more than the previous, and we have eight baskets.
  20. Crocuses
    kvetinky The garden grow daffodils, crocuses and roses. 1400 daffodils, crocuses is 462 more and roses is 156 more than crocuses. How many are all the flowers in the garden?

Do you have an interesting mathematical example that you can't solve it? Enter it, and we can try to solve it.



To this e-mail address, we will reply solution; solved examples are also published here. Please enter e-mail correctly and check whether you don't have a full mailbox.