Question

1)√4/9× √1,96+ √9/25× √9,61
2)2× √4,41+ √49/100×0,7
3)3× √10,24+0,1× √9/4
4) √5,76×4,2 √2/25+0,5678
5)2× √49+3 √81+2 √100
6)0,2 √0,0001+ √2,25-1,5

Answer 1

1)√4/9× √1,96+ √9/25× √9,61
2/3*√49/25+3/5*√691/100
2/3*7/5+3/5*√691/100
14/15+3√691/50 ≈ 2.51

2)2× √4,41+ √49/100×0,7
2√441/100+7/10*7/10
2*21/10+49/100
21/5+49/100
469/100
4 69/100 или 4,69

3)3× √10,24+0,1× √9/4
3√256.25+1/10*3/2
3*16/5+3/20
48/5+3/20
39/4 
9 3/4 или 9,75

4) √5,76×4,2 √2/25+0,5678
√144/25*21/5*√2/5+2839/5000
12/5821/5*√2/5+2839/5000
252√2/125+2839/5000 ≈ 3.41

5)2× √49+3 √81+2 √100
2*7+3*9+2*10
14+27+20 = 61

6)0,2 √0,0001+ √2,25-1,5
1/5*√1/10000+√√9/4-3/2
1/5*1/100+3/2-3/2
1/500+3/2-3/2
1/500 = 0,002