!! used as default html header if there is none in the selected theme. OEF 积分

# OEF 积分 --- 介绍 ---

### 2条曲线的面积

xrange -1,+1 yrange -1,+1 line ,-1,,+1,blue line ,-1,,+1,yellow line ,-1,,+1,yellow line ,-1,,+1,blue line -1,0,+1,0,green plot black, plot red, text blue,,0,medium,x= text black,,0,medium,x= text black,,0,medium,x= text blue,,0,medium,x= text black,,,medium,y=f(x) text red,,,medium,y=g(x)

### 面积与积分

xrange , yrange , line ,0,,0,green line ,,,,blue line ,,,,blue plot black, text blue,,0,medium,x= text blue,,0,medium,x= text green,(+)/2,0,medium,y=0

### 三角函数的积分

• Description: 关于积分学的练习. This is the main site of WIMS (WWW Interactive Multipurpose Server): interactive exercises, online calculators and plotters, mathematical recreation and games
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