Square + triangle = 12, triangle + circle = 20, circle + square = 18, how many are square, circle and triangle

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• 1. Square times triangle times square triangle equals triangle
• 2. Square equals three triangles, triangle plus square equals 48, circle equals 252 divided by triangle
• 3. A square with a circle equals 3. A circle with a square equals 1. A square with a triangle equals 6 If a triangle sets a square, it is equal to 4; if a triangle sets a circle, how much is it? If a circle sets a triangle, how much is it?
• 4. Two squares plus two triangles are equal to 36, two squares plus five triangles are equal to 60. How many squares and triangles are there
• 5. If a square times a triangle equals 36 and a square divided by a triangle equals 4, then what is the square equal to and what is the triangle equal to
• 6. Triangle plus square equals 35, square plus circle equals 37, circle plus triangle equals 36, then triangle is (), square is (), circle
• 7. A mathematical problem. Circle plus triangle equals 26, triangle plus triangle plus circle equals 65
• 8. First grade primary school mathematics problem solving triangle minus square equal to 30, triangle plus square equal to 50, how many triangles, how many squares? Thank you very much, but please help to write the disintegration process. Thank you very much!
• 9. A mathematical problem, two circles equal to three triangles, three triangles equal to four diamonds, known a circle and a triangle and two diamonds equal to 800, find three
• 10. Two circles are equal to three triangles, three triangles are equal to four rhombus. Given that a circle and a triangle and two rhombus are equal to 800, how many are each of the three figures
• 11. Triangle plus circle equals 18, triangle minus circle equals 6, triangle equals how many, circle equals how many
• 12. Triangle plus triangle equals circle plus circle plus circle, triangle plus circle equals 18
• 13. Circle plus triangle equals 75 triangle plus square equals 60 circle plus square equals 450 how many squares equals how many triangles equals how many
• 14. In RT triangle ABC, the angle c is equal to 90 degrees, 1, B = 4, C = 7, a 2, B = 16, a: C = 3:5, a, C
• 15. It is known that in RT triangle ABC, the angle c is equal to 90 ° and if a is equal to 15 and B is equal to 20, the value of C is obtained
• 16. The sum of triangle, square and circle is 32, triangle minus 3 equals circle, triangle divided by 2 equals square, how many are they?
• 17. Triangle minus square plus triangle minus square equals 72 triangle minus square minus square equals 27 triangle equals how many squares equals
• 18. Circle times square equals triangle, circle plus circle equals triangle minus circle minus circle, what are circle, triangle and square?
• 19. Circle plus triangle equals 72, triangle plus square equals 63, square plus circle equals 81, what is circle equal to
• 20. A triangle multiplied by a square equals a circle. Three triangles equals a circle minus two triangles