The ratio is 24:32 56:14 15:25 3 / 5:1 / 2 emergency

The ratio is 24:32 56:14 15:25 3 / 5:1 / 2 emergency

Ratio = the first term of ratio △ the second term of ratio
24：32
=24÷32
=0.75
56:14
=56÷14
=4
15:25
=15÷25
=0.6
3/5:1/2
=3/5÷1/2
=1.2

The time and temperature of a test are recorded in the following table
The temperature is 10 at 0, 25 at 5, 40 at 10, 55 at 15, 70 at 20 and 85 at 25
(1) If the temperature change is uniform, what is the temperature of 21 minutes?
(2) When is the temperature 34 ℃?

5 minutes increase 15 degrees 1 minute increase 3 degrees 21 minutes degree is 70 + 3 = 73
The time of 34 degrees is (34-25) / 3 + 5 = 8 minutes

A: 1 2 3 4 5 B: 2 4 6 8 10 C: 3 / 4 / 1 D: 15 / 2

A few
B coincidentally
C no three no four
D. up and down

1: One dozen one idiom

They are equally matched

("/" is the fraction line) the reciprocal of 3 / 4 7 / 8 1 / 100 1 / 23.41 above any power

One in a hundred can make the best of it

Figure riddle: guess an idiom 1 * 1 () 3 / 4 () 7 / 8 () 3.4 ()

1: Wholeheartedly
2: Day and night
3: Seven up and eight down
4: No three no four

1 10 3 4 9 5 8 7 9 6 what's the next number

The next number is 11
The sum of 1 and 10 is 11, the product of 3 and 4 is 12, the sum of 9 and 5 is 14, and the sum or product of two numbers in turn is 15 (8 + 7), 16 (7 + 9), 17 (6 + 11)

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, sign () + () = () × () = () - ()=
The 10 numbers of 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 should be signed
（ ）+（ ）=（ ）（ ）×（ ）=（ ）（ ）（ ）-（ ）=（ ）

4+5=9 2x3=6 0 8-7=1

How to write English number 1.2.3.4.5.6.7.8.9.10

1：one 2：two 3：three 4：four 5：five 6：six 7：seven 8：eight 9：nine 10：ten

Add + or - before the numbers 3, 4, 5, 6, 7, 8, 9 to make their sum - 10
Two methods

+3-4+5-6-7+8+9=10
-3+4-5+6+7-8+9=10
Let the difference of 3,4; 5,6; 7,8 be positive in two groups and negative in one group, and take positive value for 9