=8/5×5/4 =2/5+4/ 10 =5/6×6/5÷2/3
=2 = 1 = 1×3/2=3/2
(5/8+5/6)×4/25 (5/6-2/3)×9/ 10 1-7/9÷7/8
=35/24×4/25 = 1/6×9/ 10 = 1-8/9
=7/30 =3/20 = 1/9
4. 1:30÷ 10/ 1 1 = 33(DM3)
Solution 2: Solution: Let the volume of this ice be xdm3.
10/ 1 1x=30
x=33
5.60 ÷ 6/11=110 (km/h)
6.500× 2/25 ÷ 1/6 = 240 (times)
..7.( 1)8: 10=(4)/5=40÷(50)=(0.8)
(2) There are 25 boys and 20 girls in the school computer group. The number of boys is (1.25 or 5/4) times that of girls. The simplest integer ratio of girls to boys is (4): 5, and girls account for (4/9) of the total number.
(The ratio of 20kg to 0.2t is (110) or 0. 1.
8. Solution 1 24÷(5+3)=3 (hours) 3×5= 15 (hours) 3×3=9 (hours)
How to do the sixth question in the first volume of the sixth grade people's education edition mathematics book? (1.25-1.2)/1.2 = 0.05/1.2 ≈ 4.17% a: Wang Ping's grade is 4.65438% higher than the school record.
Question 7 (30-18)/18 =12/18 ≈ 0.667 = 66.7% A: There are 66.7% more tenors than midrange.
(30-12)/12 =18/12 =1.5 = 150% Answer: There are more people in the high-pitched part than in the low-pitched part150%.
Question 8: The largest cube has a side length of 3cm and a volume of 3 3 = 9 (cubic centimeter).
Cuboid volume =5*4*3=60 (cubic centimeter)
(60-9)/ 60=5 1/60=0.85=85%
A: The volume is 85% less than the original.
How to do the 3 4 problem on the 74th face of the first volume of the sixth grade mathematics of People's Education Edition? The power of 3.3.14 * (1.57/(2 * 3.14)) is about 0.20.
4.3. 14*( 10* 10-4*4)=263.76 3. 14*64/2+ 16/2* 16/2= 164.48
1 How to write it? (1) × (2) √ (3 )× 3: 5 in the math book of the first volume of the sixth grade published by People's Education Press is the relationship between the number of copies of A and B, and each copy is not necessarily 1, so it is wrong.
(4)× speed ratio shall be1/8:110 = 5: 4.
2.2/5÷4=2/5×4 2/5÷3/4=2/5×4/3 2/5×3/4=2/5÷3/4
2/5×4=2×4/5
3. 1/5×8÷4/5 2/5+ 1/2×4/5 5/6÷2/3÷5/6
=8/5×5/4 =2/5+4/ 10 =5/6×6/5÷2/3
=2 = 1 = 1×3/2=3/2
(5/8+5/6)×4/25 (5/6-2/3)×9/ 10 1-7/9÷7/8
=35/24×4/25 = 1/6×9/ 10 = 1-8/9
=7/30 =3/20 = 1/9
4. 1:30÷ 10/ 1 1 = 33(DM3)
Solution 2: Solution: Let the volume of this ice be xdm3.
10/ 1 1x=30
x=33
5.60 ÷ 6/11=110 (km/h)
6.60 ÷ 6/11=110 (km/h)
Vii .. (1) 8:10 = (4)/5 = 40 ÷ (50) = (0.8)
(2) There are 25 boys and 20 girls in the school computer group. The number of boys is (1.25 or 5/4) times that of girls. The simplest integer ratio of girls to boys is (4): 5, and girls account for (4/9) of the total number.
(The ratio of 20kg to 0.2t is (110) or 0. 1.
8. Solution 1 24÷(5+3)=3 (hours) 3×5= 15 (hours) 3×3=9 (hours)
Solution 2 5+3=8 24×5/8= 15 (hour) 24×3/8==9 (hour)
9. 150 tons: 60 tons =150: 60:15 =10: 4:1.
10 The age ratio between my father and me is 6:19. The annual salary ratio between my father and mother is 25:16. The monthly salary ratio of mom and dad is 16: 25.
How to write (1) 2:16 =10 \ 80 = 0.125 =12.5%
(2)50%
How to do exercises 22 and 8 in the first volume of sixth grade mathematics published by People's Education Press? Solution: Assume that the circumference of △ABC has a minimum value. Let A (2,3) be the symmetry point A1(2,3) about the X axis, and let A (2,3) be the symmetry point A2 (-2,3) about the Y axis. Connect A2A 1, cross the X axis to B, cross the Y axis to C, then the circumference of △ABC is the shortest. AC = A2 at this time. BA 1=BA, so the perimeter = ab+BC+AC = a2c+BC+ba1= baa2a1= √ [(-2-2)+(3+3)] = 2 √13 at this time.
Mathematics book, the first volume of grade six, People's Education Edition, 54 pages, 8.9. 10 Question 8. Solution 1: 24 ÷ (5+3) = 3 (hours) 3×5= 15 (hours) 3×3=9 (hours).
Solution 2: 5+3 = 8 24× 5/8 = 15 (hours) 24×3/8==9 (hours)
9. 150 ton: 60 ton =150: 60:15 =10: 4:1.
10 The age ratio between my father and me is 6:19. The annual salary ratio between my father and mother is 25:16. The monthly salary ratio of mom and dad is 16: 25.
It's simple. Think for yourself next time. Oh, don't look it up online. This is my homework for tonight.
How to do the ninth question on page 6 1 of the first volume of sixth grade mathematics of People's Education Edition? Just draw an identical one.
People's education edition, the first volume of sixth grade mathematics 4 1, page 7.8, how to do two questions! Question 7: 48 divided by four fifths, 48 equals 108.
Question 8: 5200 divided by 55 and 52 equals 5500.
What about page 4 1 of the first volume of sixth grade mathematics of People's Education Edition? Let me ask you a question. If it's right, you add me and I'll tell you the rest:
Question 6: (1500+ 1000) times three fifths = 1500 yuan.