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Math001.001&mcs&2&N&r is the radius<br>Pi = 3.1415<br>The formular of the area of a circle is:&r*r*Pi&r*Pi;r*Pi*Pi;2r*Pi;&The answer is r*r*Pi&&&A&Geo1.0&1&1&&1&1&&&N.
Math001.002&tf&2&N&A value of Pi is 3.1415&TRUE&FALSE&The answer is TRUE, pi=3.1415&&&&Geo1.0&1&1&&1&1&&&N.
Math001.003&mcs&0&N&r is the radius<br>Pi = 3.1415<br>The formular of the circumference of the circle is:&2*r*Pi&r*r*Pi;r*Pi*pi;r*PI;&Correct answer is:  2*r*Pi&&&A&Geo1.0&1&1&&1&2&&&N.
Math001.004&tf&0&N&Is a square always a rectangle?&TRUE&FALSE&The answer is TRUE.&&&&Geo1.0&1&1&&1&1&&&N.
Math001.005&mcm&0&N&x - 10 = 0<br>y + 10 = 0<br>&x > y;x > 0;&y > 0;y > x;&The answer is x>y&&&A&ALG1.0&1&1&&1&2&&&N.
Math001.006&mcm&0&&x + 2 =4<br>y = 2<br>Select two correct answers&x = 2;x = y;&x > y;y > x;&The correct answers are x=2 and x=y&&&A&ALG1.0&1&1&&1&2&&&N.
Math001.007&mcs&0&&x - 10 = 0<b&x = 10&x = 0;x < 0;x = -10;&The correct answer is x=10&&&a&ALG1.0&1&1&&1&2&&&N.