Объяснение:
√(1/100)²+(2+1/80-60)²+4(2/40)²+(1/20)²=16550801/2974400
1)(1/100)²=1/10000
2)2+1/80-60=3/20
3)(3/20)²=9/400
4)4(2/40)²=(82/40)²=6724/1600
5)(1/20)²=1/400
6)1/10000+9/400=4+900/4000=904/40000
7)6724/1609+904/400=2689600+1448100/643600=4137700/643600=41377/7436
8)41377/7436+1/400=16550800+1/2974400=16550801/2974400
