How is 20 50 68 calculated 20 can be subtracted by 50

20 can be subtracted by 50, 20-50 + 68 = 38

This is sibling arithmetic: it can be 20-50 = -30 and then -30 + 68 = 38 in order, and this algorithm is also limited to sibling arithmetic.

Sibling operations refer to the same type of operations in mathematics.

The implication is that sibling operations refer to the same type of operations in mathematics. For example, addition and subtraction are sibling operations, multiplication and division are sibling operations, multiplication and opening are sibling operations, etc.

Order of Calculation In general, in a formula with multiple levels of operations, the calculation is based on the order of "multiplication first, then multiplication, division and addition", while the order of sibling operations in polynomials is the same. For example, multiplication and division are calculated together in a unified step. In sibling operations, it is calculated in the order in which it is performed.

20 can be subtracted by 50, for the same level of operation, how to calculate, 1, you can be in order first 20-50 = -30, then -30 + 68 = 38

2. You can also first 20 + 68 = 88, then 88-50 = 383, you can also first 68-50 = 18, and then 18 + 20 = 38 The above algorithm is limited to the same level of operation.

Yes, but you can calculate 20 + 68 = 88 and then subtract 50 = 38

or 20—50=-30 -30+68=38

Of course! Is Lou Lou in elementary school? That can be 20+68-50

What is 60% minus 25%.

I hope to return to the dust and sell the source of the world to help you!

50% is 20, it is 20 50% = 20 2 = 40

So 40% of 50 is 20.

60-(70-50)+20 How to count as auspicious?

The core of simple operation is to use the laws of addition and multiplication to calculate, and calculate the integer part to facilitate the subsequent calculation.

Solve the noisy shouting process:

25 60 = 5 * 5 12 * 5, the upper and lower front pants are pure and at the same time Hui tells about a 5, the result is pure 5 12, converted to a decimal is.

What you are asking is how much does empty 50 minus 20 equal to 10? 20。According to the query mathematical theorem, it is known that 50 minus how much minus 20 is equal to 10 belongs to the basic mathematical subtraction operation, and it is calculated that 50 minus 20 minus 20 is equal to 10.

Count the brackets first, 20-10=10, then 50+10=60

Summary. 501 minus 80 divided by 20 times 89

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501 minus 80 divided by 20 times 89

Hello, I wrote down the process of solving the problem on paper, you can take a look.

Solution: Calculate 80 20 = 4 first, then 4 89 = 356, and finally 501-356 = 145