Integers + multiplication - examples

  1. Dozen
    plusminus_13 What is the product of 26 and 5? Write the answer in Arabic numeral. Add up the digits. How many of this is in a dozen? Divide #114 by this
  2. Simplify
    expr_3 Simplify expression - which expression is equivalent to: 3(m + 2) − 4(2m − 9)
  3. Cats
    cats Two cats caught two mice in two days. How many mouses will catch 6 cats for 6 days?
  4. Unknown x
    UnknownX If we add to unknown number 21, then divide by 6 and then subtract 51, we get back an unknown number. What is this unknown number?
  5. Number
    fractions_1 Calculate the integer number which, divided by 34 gives 10 and the rest 25.
  6. With bracket
    expr Calculate (evaluate) simple mathematical expression with a negative numbers and a bracket: 13+15*5-2*(-6)
  7. Value
    primefactor2 Determine the value of the following exspressions: a) (23-25)·(4-5) b) (97-123):(18+8)
  8. Expression 6
    numbers2_48 Evaluate expression: -6-2(4-8)-9
  9. Brackets 2
    brackets Add parenthesis to make true: 5-2×6-4+2=5
  10. Progression
    sequence_geo_10 12, 60, -300,1500 need next 2 numbers of pattern

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