(36 / 11 * 25.8-36 / 11 * 16076 + 18 / 55 * 19.6) * (1.25-7 / 12 + 5 / 36) Should be: （36/11*25.8-36/11*16.76+18/55*19.6)*(1.25-7/12+5/36）

RELATED INFORMATIONS

• 1. 1. In the trapezoid ABCD, AD / / BC, ab = ad = DC = 2cm, angle c = 45 ° to find the perimeter of the trapezoid
• 2. In the right angle trapezoid ABCD, BC ‖ ad, ab ⊥ ad, ∠ d = 45 °, the vertical bisector EF of oblique waist CD intersects ad at g, and the extension line of intersection Ba intersects F Practice question 17 on page 46 in eighth grade (next) class
• 3. As shown in the figure, it is known that in the rectangular trapezoid ABCD, BC ‖ ad, ab ⊥ ad, bottom ad = 6, the vertical bisector EF of oblique waist CD intersects ad at g, the extension line of intersection Ba intersects F, and ∠ d = 45 ° to find the length of BF
• 4. In right angle trapezoid ABCD, BC ∥ ad ad ⊥ ad bottom ad = a oblique waist CD, the vertical EF intersects ad at g intersects Ba, and the extension line calculates BF length at f angle d = 45 °
• 5. It is known that in the isosceles trapezoid ABCD, ab = CD, ad is parallel to BC, point E is a point outside the trapezoid, and EA = ed Draw your own picture. Oh, Sheila!
• 6. In trapezoidal ABCD, AD / / BC, angle bad = 90 °, angle d = 45 °, EF is the middle perpendicular of CD, the perpendicular foot is e, Fe intersects ad at m, if ad = a, calculate BF value
• 7. As shown in the figure, in the trapezoidal ABCD, ad ‖ BC, ∠ bad = 90 ° and ∠ d = 45 °, EF is the vertical bisector of CD, and the perpendicular foot is e, The moving point t (m, n) represents the torch position, and the torch starts to pass from the m point 10 meters away from Beijing road The above explanation is wrong and should be correct As shown in the figure, in trapezoidal ABCD, ad ‖ BC, ∠ bad = 90 ° and ∠ d = 45 °, EF is the vertical bisector of CD, the perpendicular foot is e, EF intersects ad with m, and the extension line of Ba intersects F. Verification: BF = ad
• 8. As shown in the figure, in trapezoidal ABCD, ad ‖ BC, ad = 3, ab = 5, BC = 9, the vertical bisector of CD intersects BC at e and connects De, then the perimeter of quadrilateral abed is equal to () A. 17B. 18C. 19D. 20
• 9. As shown in the figure, in the ladder ABCD, ad// BC.AB=CD The perimeter of trapezoid is 10cm, BC = 4cm, DB bisects ∠ ABC, try to find the length of AD,
• 10. As shown in the figure, in the trapezoidal ABCD, ad ‖ BC, ∠ B = 90 °, ab = 14cm, ad = 18cm, BC = 21cm, point P starts from point a and moves 1cm / s along the ad edge to point D, and point Q starts from point C and moves 2cm / S along the CB edge to point B. if P and Q start from a and C at the same time, and the moving time is set to T seconds, then t=______ The trapezoid PQCD is an isosceles trapezoid
• 11. An old man said, "add 12 to my age, divide by 4, subtract 15, and multiply by 10. It's exactly 100 years old." do you know how old the old man is now? How do you figure it out?
• 12. Seven and a half divided by a quarter emergency
• 13. 0.125 + 3.7 × 1 / 8 + 1 / 8 × 5.3=
• 14. How to say purchasing in English It's words, not sentences~
• 15. What is the tenth item if all are divided by 9 and the rest are arranged from small to large? The sooner the better!
• 16. What's ten and a third Be in a hurry
• 17. 999.99 (of 100 9) * 999.99 (of 100 9) + 99.99 (of 100 9) 999.99 (100 9 in total) * 999.99 (100 9 in total) + 199.99 (100 9 in total) How many zeros in all? Note: the last one is 1999... 9 (100 9S)
• 18. 1+2-3-4+5+6-7-8…… -1983-1984+1985+1986=? This question 1 + 2-3-4 + 5 + 6-7-8 -The calculation process and results of 1983-1984 + 1985 + 1986 are given by the disjunction formula
• 19. It is known that the coordinates of the four vertices of the quadrilateral ABCD are a (1.2), B (4.3), C (3.6), D (0.5). Judge whether the quadrilateral ABCD is a square and explain the reason
• 20. As shown in the figure, quadrilateral ABCD and quadrilateral aefc are two rectangles, and point B is on the edge of EF. If the area of rectangle ABCD and rectangle aefc is S1 and S2 respectively, what is the size relationship?