Elementary School Mathematics How to calculate building height, how to calculate elementary school m

Happy Building Height: 19 (floors) multiplied by meters Floors) = meters.

Happiness Building Height: 23 (floors) multiplied by meters Floors) = meters.

Rice. So the Happy Building is high, 4 meters high.

Happy building high.

19 1) m).

Happiness Mansion is high.

23 1) m).

So happy edifice is high, high out. Rice.

19 floors should not be minus one, if it is 2 floors, can you say that he is meters? The same is true for 23 floors, the Kuailai Building is 4 floors less than the Happiness Building, subtracted by multiplying by 19 equals, and 4 times equals, so the Happy Building is high, 4 meters higher, and the end.

Happy Mansion 19* Happiness Mansion 23* Happy Mansion is 4 meters high.

Happy Mansion 19 times Happiness Mansion 23 times Happy Mansion 4 meters high.

19 m).

23 meters).

A: The Happy Building is tall, and the Happy Building is 4 meters taller than the Happy Building.

Happy building high.

Happy Mansion 19*4-19*

Happiness Mansion 23*3-23*

The Happy Building is 4 meters taller than the Happy Building.

The numerator is eliminated, and the 3+ after the denominator is also eliminated and the remaining 1 is eliminated, that is, 29*1 4=

Are you sure this is elementary school math?

I can't even understand what this is.

Answer: 7900

Solution: According to the rounding rule, a number is accurate to the hundred digit to see the number on the tens of digits, the ten digits are 6 is greater than 4, to carry the digits, then this number is about equal to 7900

(1) Divide (Divide by divide.

2) Divide by. (3) Divide by 8 = Divide by (

Divide by 1=.

If it's high-end.

It is the simplified solution of complex fractions, the mixed operation of the number of stratums and fractions and decimals!

Set chocolate **x, mango **y.

13x-4 = money = 15y + 2

And because x=y+2

The solution yields y=10, x=12, and money=152