# Z7-I-4 stars 4949

Write instead of stars digits so the next write of product of the two numbers to be valid:

∗ ∗ ∗

· ∗ ∗ ∗

∗ ∗ ∗ ∗

4 9 4 9

∗ ∗ ∗

∗ ∗ ∗ 4 ∗ ∗

∗ ∗ ∗

· ∗ ∗ ∗

∗ ∗ ∗ ∗

4 9 4 9

∗ ∗ ∗

∗ ∗ ∗ 4 ∗ ∗

**Result****Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):**

**Showing 0 comments:**

**Be the first to comment!**

#### To solve this example are needed these knowledge from mathematics:

## Next similar examples:

- MO Z6-6-1

Write integers greater than 1 to the blanks in the following figure, so that each darker box was product of the numbers in the neighboring lighter boxes. What number is in the middle box? - Digits of age

The product of the digits of Andrew age as 6 years ago and not equal to 0. Andrew age is also the smallest possible age with this two conditions. After how many years will be the product of the digits of Andrew age again the same as today? - MO 2016 Numerical axis

Cat's school use a special numerical axis. The distance between the numbers 1 and 2 is 1 cm, the distance between the numbers 2 and 3 is 3 cm, between the numbers 3 and 4 is 5 cm and so on, the distance between the next pair of natural numbers is always in - Remainder

A is an arbitrary integer that gives remainder 1 in the division with 6. B is an arbitrary integer that gives remainder 2 the division by. What makes remainder in division by 3 product of numbers A x B ? - Dinning room

How many different combinations can we choose if there are 3 soups, 5 kinds of main dish and 2 desserts in the dining room? - Class 9A

On the final certificate have one quarter of the class 9A mark "C" of mathematics, seventh mark "C" from the Czech language and two students failed in chemistry. How many students attend class 9A? - Wide field

The field is 203 meters wide 319 meter long, what is the greater length of the rope by which length and width can be measured and find the exact number of time. - Raffle

In the pool is numbers from 1 to 115. What is the probability that a randomly selected number is not a prime number? - Sick

Sick Marcel already taken six tablets, which was a quarter of the total number of pills in the pack. How many pills were in the pack? - The square

The square root of 25 times the square root of 81 is what number? - Double percent

What is 30% of 80% of 3200? - Percentages

Expressed as a percentage: - Conference

148 is the total number of employees. The conference was attended by 22 employees. How much is it in percent? - Factory

In the factory workers work in three shifts. In the first inning operates half of all employees in the second inning and a third in the third inning 200 employees. How many employees work at the factory? - Christmas Day

In leap years was 53 Sundays. On what day of the week fell to Christmas Day? - Tunnels

Mice had built an underground house consisting of chambers and tunnels: • each tunnel leading from the chamber to the chamber (none is blind) • from each chamber lead just three tunnels into three distinct chambers, • from each chamber mice can get to any - Simplify 2

Simplify expression: 5ab-7+3ba-9