SAT2数学Level 2练习题 Question #4:
Find the value of x if:
x + y + z = 5
x + y - z = 3
x - y = 2
(a) -3
(b) -1
(c) 1
(d) 3
(e) 5
SAT2数学Level 2练习题 Question #5:
A camera has a price of 300 dollars. Its price is lowered 10% and then increased 10%. What is the final selling price of the camera?
(a) $297
(b) $303
(c) $310
(d) $330
(e) $303
SAT2数学Level 2练习题 Question #6:
The equation 2x2 - 2x - 60 = 0 has the following 2 solutions:
(a) {-5, 5}
(b) {5, -6}
(c) {-5, -6}
(d) {-5, 6}
(e) {5, 6}
要想SAT2数学成绩有所提高，坚持每天做练习是十分必要的，就像这样每天完成SAT2数学Level 2练习题，并进行总结，日积月累，成绩就会有明显地提高。
