Question

A) 7,25 x 4 - 3 : 5 1/3 = | d) -(3 - 1/3) : (-1/3 + 4) = | f) 2,25 + [-1/2 + 5/6 x (-1,2)] x (-4) = | h) : (4,6 - 3 2/9) x 6,2 + 0,8 = | j) [( 1/2 - 3) - (-5 + 9/2 )] : ( - 2/3 - 1/3 + 0,5)= | l) [( 1/2 + 3) - (0,4 - 1/2 )] x [2 - (1 - 2/3 )] = |

Answer 1

a) 7,25 x 4 - 3 : 5 1/3 =29 + 9/3 : 16/3 = 29 - 9/3 * 3/15 = 28 2/5

d) -(3 - 1/3) : (-1/3 + 4) = -2 2/3 : 3 2/3 = -8/3 : 11/3 = -8/3 * 3/11 = -8/11

f) 2,25 + [-1/2 + 5/6 x (-1,2)] x (-4) = 2,25 + (-1/2 +1 ) * (-4) = 2,25 + 1/2 * (-4) = 2,25 + 2 = 4,25

h) (4,6 - 3 2/9) x 6,2 + 0,8 = (4,6 -3,(2)) * 6,2 + 0,8 = 1,4 * 6,2 +0,8 = 12,152 +0,8 = 12,952

j) [( 1/2 - 3) - (-5 + 9/2 )] : ( - 2/3 - 1/3 + 0,5)= ( -2 1/2 + 1/2 ) : 1/2 = 2*2 = 4

l) [( 1/2 + 3) - (0,4 - 1/2 )] x [2 - (1 - 2/3 )] = (3 1/2 - 1/10) * (2 - 1/3) = ( 3 5/10 - 1/10 ) * 1 2/3 = 34/10 * 5/3 = 34/6 = 5 4/6 - 5 2/3

Prosze :)