8th Grade Math Study Weekly Report 19 26 Answers.

26 Edition Answer 10 [ Tags: Grade, Math Weekly, Answers ] Anonymous : 1 Popularity:

1 Question time: 2011-01-03 16:03 Answer (1-5) dcaca (6-10) ddbca(11-16) -2 y=x+1 y=2x+1 x 0 y=x+39 m 1(17) 1) -3=2k-4 1=2k k= y= 2) y= 0= -2= x=4 (4,0)(18) 1)1+3 5=8 5 b=8 5 2)x=1 y=8 5 3) put x=1, y=substitution y=mx+n When x=1 y=n+m= is》The Pythagorean theorem yields ab=5 2)24 2=48 48 (3 4)=4 4 2=2 3 2=6 4 2=8 According to the Pythagorean theorem, the other side is 10

Child, you can't always rely on answers, is it just playing during the winter vacation, not doing your homework well, don't do this in the future.

a) a

2. x=3y=6 5

2.The answer is no.

y=1,x=12 y=2,x=8 y=3,x=3 y=3,3.1（1）x=23,y=12

2)x=48,y=11

2.There are 48 five-character quatrains and 35 seven-character quatrains.

3.There are 28 basketball teams and 20 volleyball teams.

4.A.D. 2011.

b1) a.

II. 1 -3,10/3

2.(20x/1+

x-y=950

III 1 4x+3y+252*1=1112

1/2*x+1/3*y+1/4*252=1682.(1) 49 yuan.

2) The deck was purchased for the first time 28 kg, and the second time for 42 kg B2) 1Seventeen glass bottles were damaged.

2.Plan 1: 630,000 yuan;

Plan 2: 725,000 yuan;

Plan 3: 810,000 yuan;

Therefore, choose the third option, 10 days for finishing and 5 days for roughing.

In the eighth grade, the students said that some of them were easy to play and some were not easy to play.

If you want to know the answer to the Weekly Math Report, it's in the next issue.

The answer to the eighth grade math weekly report, you can go to Xinhua Bookstore and buy another set of this thing, and he has his own answers.

You can go to the bookstore and check to see if there is an answer to the math weekly? Most bookstores will have it.

Grade 8 Mathematics Weekly. How many periods? The specifics are not clear.

The fact that you have to go to school is that you can't do your homework, and that's not good, and you should go to class and listen carefully, and then study hard and make progress every day.

You can go to the homework help to find the answer. However, there are also questions that are omitted.

If there is a question that you don't know how to do, you can ask your teacher, or your classmates and parents, and then ask them to work with you to solve the answer.

Answers to the math book weekly report in the eighth grade, you can go to the bookstore and take a look at it and buy a copy.

1.Knowing that the length of the side of the diamond is 5 cm and the length of a diagonal line is 5 cm, then the maximum inner angle of the diamond is

Answer] 120°

2.The distance from the two right-angled vertices of a right-angled trapezoid to the midpoint of the opposite waist ( )aEqual b

Unequal cMay or may not be equal dUnable to compare [Answer] A

3.Of the following propositions, the correct one is ( ).

a.Two quadrilaterals with equal diagonals are parallelograms.

b.Two quadrilaterals with equal diagonals and perpendicular to each other are rectangular cA quadrilateral with two diagonals bisected perpendicular to each other is a diamond.

d.Two quadrilaterals with diagonals bisected and equal to each other are squares [Answer] c

4.If the diagonal length of a square is 2 cm, then the area of the square is ( )c d.

Answer] B

a) a

2. x=3y=6 5

2.The answer is no.

y=1,x=12

y=2,x=8

y=3,x=3y=3

III 1（1）x=23,y=12

2)x=48,y=11

2.There are 48 quatrains in five words and 35 quatrains in seven words.

3.There are 28 basketball teams and 20 volleyball teams.

4.A.D. 2011.

b1) a. II. 12.(20x/1+

x-y=950

Three: 1 2 * x + 1 3 * y + 1 4 * 252 = 1682(1) 49 yuan.

2) The first time I bought 28 kg, the second time I bought 42 kg.

b2）1.Seventeen glass bottles were damaged.

2.Plan 1: 630,000 yuan;

Plan 2: 725,000 yuan;

Plan 3: 810,000 yuan;

Therefore, choose the third plan, 10 days for fine and wide processing, and 5 days for rough processing.