Simple calculation of 3 / 4 × 2 / 3 △ 3 / 4 △ 2 / 3 It must be calculated simply! There are also 7 / 9 × (1 ／ 5 / 8 + 8 / 7) (3 / 4 + 2 / 23) × 8 + 7 / 23 (1 / 4 + 1 / 4 × 99) × 24 / 25 4 - (1 / 5 + 1 / 3) × 4 / 3 (2 and 3 / 4 + 2 / 3-1 / 6) × 12 (3 / 8 + 1 / 27) × 8 + 27 / 19 90 × (7 / 9 + 6 / 5-15 / 8) × 33 / 97

Simple calculation of 3 / 4 × 2 / 3 △ 3 / 4 △ 2 / 3 It must be calculated simply! There are also 7 / 9 × (1 ／ 5 / 8 + 8 / 7) (3 / 4 + 2 / 23) × 8 + 7 / 23 (1 / 4 + 1 / 4 × 99) × 24 / 25 4 - (1 / 5 + 1 / 3) × 4 / 3 (2 and 3 / 4 + 2 / 3-1 / 6) × 12 (3 / 8 + 1 / 27) × 8 + 27 / 19 90 × (7 / 9 + 6 / 5-15 / 8) × 33 / 97

3 / 4 × 2 / 3 ／ 3 / 4 ／ 2 / 3 = (3 / 4 ／ 3 / 4) × (2 / 3 ／ 2 / 3) = 1 × 1 = 7 / 19 × (1 ／ 5 / 8 + 8 / 7) = 7 / 9 ／ (8 / 5 + 8 / 7) = 7 / 9 ／ 96 / 35 = 245 / 864 (3 / 4 + 2 / 23) × 8 + 7 / 23 = 3 / 4 × 8 + 2 / 23 × 8 + 7 / 23 = 6 + (16 / 23 + 7 / 23) =

Calculation: 1 / 4 + 1 / 12 + 1 / 24 + 1 / 40 + 1 / 60 +... + 1 / 180 =?

12=3*4
24=6*4
40=10*4
60=15*4
It can be seen that the difference between the back and front of the number multiplied by rule 4 is an arithmetic sequence
3 4 5 6
The next one is 21 * 4 = 84 28 * 4 = 1123 36 * 4 = 144 45 * 4 = 180
Then we can make a general division and then make a reduction

Calculate the following questions, and those that can be easily calculated should be easily calculated. (0.25 + 1 / 4 × 99) △ 1 / 5 3 / 4 × 97 + 3 / 4 × 3, 7 / 36 / 11 / 12 / 5 / 33

（0.25+1/4×99）÷1/5
=(1/4+1/4×99)÷1/5
=(1+99)*1/4÷1/5
=100/4÷1/5
=25÷1/5
=5
3/4×97+3/4×3
=3/4*(97+3)
=3*100/4
=75
7/36÷11/12÷5/33
=7/36×12/11×33/5
=7/36×36/5
=7/5

How to calculate (11-11 / 36 * 11) + (25-36 / 11 * 25) (6 / 5 + 5 / 4) * 5 * 6

(11 - 11*11/36 ) + (25 - 25*11/36)
= 11*(1 - 11/36) + 25*(1 - 11/36)
= (1- 11/36) * (11+25)
=(1 - 11/36)*36
= 36 - 11
=25
(5/6 + 4/5)*5*6
= 5*5 + 4*6
= 25+24
=49

(4 / 23 * 5 / 17) * 23 * 17 13 / 27 * 16 + 16 / 27 * 14 12 / 33 + 36 / 73 * 62

（4/23*5/17）*23*17
=(4/23x23)x(5/17x17)
=4x5
=20
13/27*16+16/27*14
=13x16/27+16/27x14
=16/27x(13+14)
=16
Is there something wrong with the third topic

How to simplify the problem of 5 / 4 × 4 / 7 + 3 / 4 △ 7 / 5

Original formula = 5 / 4x4 / 7 + 3 / 4x5 / 7
=20/28+15/28
=35/28
=5/4
=1 and 1 / 4

Thank you! 3 / 2-2 / 5-3 / 5 2 / 5 - (1-4 / 5)

(1)3/2-(2/5+3/5)=3/2-1=1/2
(2)2/5-1/5=1/5

4 × (2.5-1.25)?

Hello: 0.4 × (2.5-1.25) = 0.4x0.25-0.4x1.25 = 1-0.5 = 0.5 ~ if you agree with my answer, please click the [adopt as satisfactory answer] button in time ~ ~ the mobile phone questioner can click [satisfied] in the upper right corner of the client. ~ your adoption is my driving force ~ ~ ~ if there are any new questions, please praise

How to express 37 ° 36 "with degree

37°36″
=37°+36″÷60÷60
=37.01°

56.43 + 12.96 + 13.57-4.33-8.96-5.67, please help me,
We have results in a quarter of an hour. We need them now

Original formula = 56.43 + 13.57 + 12.96-8.96 - (5.67 + 4.33)
=70+4-10
=64