Full text: De proef op de som voor den a.s. bouwkundig opzichter : bevattende 50 vraagstukken, etc. / ...

3. " 
4. 5. 6. 
a —2b a + 3b' 
(a- b)(a- c)(b-c) x = 4. 
x = + 5of+l«/a. 
y = 4-28/ubf+w/s 
22' 
1. 
§ 24. 
-a'2+2ab+2a-b2+8b (a-b)(a + b) 
2. 
1. 
1 
2c) 
4 (a-b 
3. - 
4. -10%. 
5. x = 8 y=12 
6. +4 of - PA 
§ 25. 
9x3+131x2-M86x+52 3(3x-f5)(5x+2)(x-l) 
a^2ab-abs-22b* 
x = 12 y = 8. + 7 of — 3. 18a / a _ b2c\ x \2y    3xj 
\2y ^ 3x ) 
MEETKUNDE. 
§ 1. 
1. 7 cM. 39,7994 cM2. 5,6856. cM. 
2. R =3,8 of 4,648 cM. 
3. 762,1408 KG. 
4. 14146iy3 KG. 
5. R = 73 cM. bijna. H = 182 cM. bijna. 
6. Opp.=201,143 cM2. Inh. = 163 43 cM3. 
§2. 
1. 126,883542 M2. 
2. R = 1,653 M. Opp. = 9.918 M2. 
3. 550 L. 
4. 3,739 M. 
5. Opp.= 137,39 cJW. I Inh.= 122,571428cM3. 
6. Segm.: 54,476dM3. Bol: 523,81 dM3. 
§3. 
1. 31,9 L. 
2. 4 tot 5. 
3. De deelen der basis zijn:  14,5,  10,7 en 16,8 cM. 
4. 26,6805 dM3. 
5. 336 dM2. 
6. 2412,3648 cM2. 
§ 4. 
1. Opp.: 1478,695cM2. Zijden:50en61,2cM. 
2. 15,415 dM3. 
3. 15,8 cM. van het grondvlak. 
4. 61,25—43,75 31,85—59,15 M. 
5. Zijde: 1,2 M. 
6. 48,08 en 36,77 cM. 
§5. 
1.2128 cM3. 
2.2370,6 cM3. 
3395,1 cM3. 
4.R = 3,34 cM. 
5.720 cM2. 
6.840 cM2. 
§6. 
1.384 cM2.
	        
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