A) -1,8 · ⅔ - 0,8 · ( - ¾ )²
___________________
- 0,9 ·5/9 + ( - ½)
liczę na szybkią odpowiedż
-18/10*2/3-0,8*9/16 -1 1/5-9/20 -1 4/20-9/20
________________=____________=__________=1 13/20=1,65
-9/10*5/9+(-1/2) -1/2+(-1/2) -1
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-18/10*2/3-0,8*9/16 -1 1/5-9/20 -1 4/20-9/20
________________=____________=__________=1 13/20=1,65
-9/10*5/9+(-1/2) -1/2+(-1/2) -1