解方程．
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（1）5x+3.2=8.2，
5x+3.2-3.2=8.2-3.2，
5x÷5=5÷5，
x=1；
（2）32÷2x=8，
32÷2x×2x=8×2x，
8×2x÷8=32÷8，
2x÷2=4÷2，
x=2；
（3）76-6x=70，
76-6x+6x=70+6x，
70+6x-70=76-70，
6x÷6=6÷6，
x=1：
（4）100-30x=60，
100-30x+30x=60+30x，
60+30x-60=100-60，
30x÷30=40÷30，
x=
．4 3
| 用方框中所给词的适当形式填空，使短文完整、正确。每词限用一次，每空一词。 | ||||
 When every Apple fan was waiting for the next surprise, Steve Jobs, the founder and former CEO of Apple, passed away on October 5th, 2011 at the 1 of fifty-six after a seven-year-long battle with cancer. What is Jobs best remembered for? Many of 2 would name some great products (产品) : the iPod, the iTouch, the iPhone or the iPad. They have 3 the way we enjoy music, television, and even books. But Jobs brought much 4 to the world than these popular products. As a 5 businessman, Jobs' passion (激情) and energy encouraged the world. He told us to "do what you love". He said, "The 6 thing that keeps me going is that I love what I do. " He believed "People with passion can change the 7 for the better. " Jobs made computers 8 and easy to use. His iPhone, iPad and iTouch are popular 9 the world. People say Jobs sold dreams, not products. As the US President Barack Obama said, Jobs was "brave 10 to think differently, bold (大胆的) enough to believe he could change the world, and talented (有才能的) enough to do it. " | ||||
| 1. ________ 2. ________ 3. ________ 4. ________ 5. ________ 6. ________ 7. ________ 8. ________ 9. ________ 10. ________ | ||||
sin100πt （V）的 正弦交流电源，图中电流表内阻不计．副线圈接入“110V，60W”灯泡一只，且灯光正常发光．下列说法正确的是（ ）
/22 A