Jest to zadanie 19/52 Matematyka 3 z plusem
Oblicz
a √25/9 * 4 * 12/10 * 5/12 = 5/3 * 4 * 1/2 = 20/3 *1/ 2 = 10/3 = 3 1/3
b 5/2 - 1/2 *√27/8 = 5/2 - 1/2 * 3/2 = 5/2 - 3/4 = 10/4 - 3/4 = 7/4 = 1 3/4
c 4/3 - (4/3)^2 : 9/10 = 4/3 - 16/9 * 10/9 = 4/3 - 160/81 = 108/81-160/81 = -52/81
d 8/10 * 3/8 - (-8/4) * 0,1 = 0,3 + 2 *0,1 = 0,3 + 0,2 = 0,5
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a √25/9 * 4 * 12/10 * 5/12 = 5/3 * 4 * 1/2 = 20/3 *1/ 2 = 10/3 = 3 1/3
b 5/2 - 1/2 *√27/8 = 5/2 - 1/2 * 3/2 = 5/2 - 3/4 = 10/4 - 3/4 = 7/4 = 1 3/4
c 4/3 - (4/3)^2 : 9/10 = 4/3 - 16/9 * 10/9 = 4/3 - 160/81 = 108/81-160/81 = -52/81
d 8/10 * 3/8 - (-8/4) * 0,1 = 0,3 + 2 *0,1 = 0,3 + 0,2 = 0,5