Oblicz
[2/3 * (3/2)^2 -7/16 * 2^2] / (-1/2)^2 = [2/3 * 6/4 - 7/16 *4 ] / 1/4 = (2/3 * 3/2 - 7/4 )/1/4 = (1 - 7/4 ) / 1/4 = -3/4 / (1/4) = -3/4 * 4/1 = -3
b) -2^3 : 1,6 - [5 - 6/5 *(10/3)^2] = -8 : 1,6 - [5 - 6/5 * 100/9] = -5 - [5 - 600/45] = -5 - [5 - 13 1/3 ] = -5 + 8 1/3 = 3 1/3
c ) górny : (1 1/2)^2 - (-3)^2*2/3 = (3/2)^2 - 9*2/3 = 9/4 - 6 = -3 3/4
dolny : -1 3/4 * (-1 3/7 ) + 2,5 = 7/4 * (-10/7) + 2.5 = -10/4 + 2.5 = -2.5 + 2.5 = 0Odp. Nie mozna dzielic przez zero
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[2/3 * (3/2)^2 -7/16 * 2^2] / (-1/2)^2 = [2/3 * 6/4 - 7/16 *4 ] / 1/4 = (2/3 * 3/2 - 7/4 )/1/4 = (1 - 7/4 ) / 1/4 = -3/4 / (1/4) = -3/4 * 4/1 = -3
b) -2^3 : 1,6 - [5 - 6/5 *(10/3)^2] = -8 : 1,6 - [5 - 6/5 * 100/9] = -5 - [5 - 600/45] = -5 - [5 - 13 1/3 ] = -5 + 8 1/3 = 3 1/3
c ) górny : (1 1/2)^2 - (-3)^2*2/3 = (3/2)^2 - 9*2/3 = 9/4 - 6 = -3 3/4
dolny : -1 3/4 * (-1 3/7 ) + 2,5 = 7/4 * (-10/7) + 2.5 = -10/4 + 2.5 = -2.5 + 2.5 = 0
Odp. Nie mozna dzielic przez zero