Question

Oblicz:

a)·+1,2·\frac{5}{12}

b)2½-½·

c):0,9

d)0,8··0,1

e)(1⅓)²·(-⅓)⁻²-1,9°·3⁻¹

Answer 1

a) ·+1,2 = 3/4*4+1/2= 3+1/2=3,5

b)2½-½· = 5/2- 1/2 * pierwiastek 3-go stopnia z 27/8+1/2 = 5/2 - 1/2 * 3/2 + 1/2 = 3/4 + 1/2 = 3/4 + 2/4 =  5/4 = 1i1/4

c) ... = 4/3 - 16/9 : 9/10 = 12/9 - 16/9: 9/10 = -4/9 *10/9 = -4i4/9

d) ... = 0,8 * 3/8 + 8/64 * 0,1 = 0,3 + 1/4 * 0,1 = 0,3 + 1/40 = 12/40 + 1/40 = 13/40

e) 16/9 * 3/4 - 1 * 1/3 = 4/3 * 1/3 = 4/12 = 1/3