a)1/2 *4-2 = = 2 - 2 = = 0===================================b)1-(3/4)do potęgi --> brak potęgi===================================C)1+3/7 : 1/7 = = 1 + 3/7 * 7 = = 1 + 3 = = 4===================================d)(0,6+0,9) : 3 = = 1,5 : 3 = = 0,5===================================e)10* (0,5+1/4) = = 10 * (0,5 + 0,25) = = 10 * 0,75 = = 7,5===================================F)0,3+0,5 *4 = = 0,3 + 2 = = 2,3===================================g) 1/2 * 3/4 - 0,5 * 0,75 = = 0,5 * 0,75 - 0,375 = = 0,375 - 0,375 = = 0===================================h)(1-(0,1)do potengi 2) :9 = = (1 - 0,01) : 9 = = 0,99 : 9 == 0,11===================================i)(0,1 + 0,1 * 15 ) *10 = = (0,1 + 1,5) * 10 = = 1,6 * 10 == 16
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a)1/2 *4-2 =
= 2 - 2 =
= 0
===================================
b)1-(3/4)do potęgi --> brak potęgi
===================================
C)1+3/7 : 1/7 =
= 1 + 3/7 * 7 =
= 1 + 3 =
= 4
===================================
d)(0,6+0,9) : 3 =
= 1,5 : 3 =
= 0,5
===================================
e)10* (0,5+1/4) =
= 10 * (0,5 + 0,25) =
= 10 * 0,75 =
= 7,5
===================================
F)0,3+0,5 *4 =
= 0,3 + 2 =
= 2,3
===================================
g) 1/2 * 3/4 - 0,5 * 0,75 =
= 0,5 * 0,75 - 0,375 =
= 0,375 - 0,375 =
= 0
===================================
h)(1-(0,1)do potengi 2) :9 =
= (1 - 0,01) : 9 =
= 0,99 : 9 =
= 0,11
===================================
i)(0,1 + 0,1 * 15 ) *10 =
= (0,1 + 1,5) * 10 =
= 1,6 * 10 =
= 16