① 34 ° 25 ′× 3 + 35 ° 42 ′② (180 ° - 91 ° 32 ′ 24 ″) △ 3 specific process, thank you~~

① 34 ° 25 ′× 3 + 35 ° 42 ′② (180 ° - 91 ° 32 ′ 24 ″) △ 3 specific process, thank you~~


34°25′×3+35°42′
=102°75′+35°42′
=137°117′
=138°57′
(180°-91°32′24″)÷3
=(180°59‘60’‘-91°32′24″)÷3
=89°27′36″÷3
=87°147′36″÷3
=29°49′12″



Fill in the blanks in math
Cut the 1 / 3 meter long rope into 3 equal parts, 2 parts of the total length () / (), 1 part of the length () meters
If the numerator of a simplest fraction is expanded five times and the denominator is reduced five times, it is equal to 4 and 3 / 8. The simplest fraction is ()
If you add 20 to the numerator and 30 to the denominator, the size of the fraction remains unchanged. The simplest fraction is ()
() an increase of 1 / 3 meter is 1 / 2 meter
For a project, Party A will complete it in 6 days and Party B will complete it in 8 days. The work efficiency of Party A is () percent higher than that of Party B
The number of a is three times more than that of B, and the number of B is ()% less than that of A
If there are two circles a and B, the radius of circle a is 2 / 3 of circle B, then the circumference of circle a is () / () of circle B, and the area of circle a is () / ()
A steel pipe is 9 meters long. First cut off 1 / 9 of it, and then add 1 / 9 meters. At this time, the steel pipe is () long
Xiao Ming finished a book in two days. The first day he read 50% more than the second day, and the second day he read 24 pages less than the first day


Cut a 1 / 3 meter long rope into three equal parts, two parts (2) / (3) of the total length, and one part (1 / 9) meter long. Enlarge the numerator of a simplest fraction by five times and reduce the denominator by five times, which is equal to 4 and 3 / 8. The simplest fraction is (7 / 40). If you add 20 to the numerator and 30 to the denominator, the size of the fraction will remain unchanged



If two of the equations 5x ^ 2 + (m ^ 2-1) x + m + 0.5 = 0 are opposite to each other, then the value of M is_____ .


If two of the equations 5x ^ 2 + (m ^ 2-1) x + m + 0.5 = 0 are opposite to each other, then the value of M is__ -1__ .



The absolute values of (1) 1 / 8 and 1 / 7 (2) - 4 / 9 and - 7 / 8 (3) - 3 / 11 and - 0.273 are (4) - 3.14 and (5)





The size of each group was compared as follows: 1) - 8 of 9, - 9 of 10; 2) - 0.618, - 3 of 5; 3) 0,8; 4) - 1 and 2 of 7, - 1 and 1 of 3


1) - 8 out of 9 > - 9 out of 10
2)-0.618



Try to compare the size of seven eighths and nine tenths. There is no need to divide the two methods~


7/8=1-1/8
9/10=1-1/10
Because obviously 1 / 8 > 1 / 10
So 7 / 8



Compare the size of 9 / 20 and 11 / 24


9/20=54/120
9/24=45/120
9/20>11/24



What is the simple calculation of 99 × 32 + 32?


=32x(99+1)
=3200



A kilogram of flour is heavier than a kilogram of cotton______ (judge right or wrong)


A kilogram of flour is as heavy as a kilogram of cotton



Which is heavier, a kilogram of iron or a kilogram of cotton?


Under normal conditions. Iron weight. Iron density. Small volume. Buoyancy. So iron weight
In vacuum
It's the same weight, no buoyancy