a)-1,8 * 2/3 - 0,8 * ( - 3/4)2 <--- (potęga) ___________________ - 0,9 * 5/9 + ( - 1/2)
-18/10 * 2/3 - 8/10 * 9/10
= --------------------------
-9/9/10 * 5/9 - 1/2
-36/30 - 72/160
= ------------------
-45/90 - 1/2
= - 1,65 / - 1 = 1,65
b)
- 2 * ( - 0,5)2 + ( - 2) ___________________ - 0,1 * [ - 1,3 + 6 * ( - 0,2)]
1 * 2 - 2
-0,1 [-1,3 - 1,2]
= 0 / 0,25 = 0
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a)-1,8 * 2/3 - 0,8 * ( - 3/4)2 <--- (potęga)
___________________
- 0,9 * 5/9 + ( - 1/2)
-18/10 * 2/3 - 8/10 * 9/10
= --------------------------
-9/9/10 * 5/9 - 1/2
-36/30 - 72/160
= ------------------
-45/90 - 1/2
= - 1,65 / - 1 = 1,65
b)
- 2 * ( - 0,5)2 + ( - 2)
___________________
- 0,1 * [ - 1,3 + 6 * ( - 0,2)]
1 * 2 - 2
= ------------------
-0,1 [-1,3 - 1,2]
= 0 / 0,25 = 0