1. Minus piec szostych razy (minus jeden i jedna druga) razy dwie piate. = ? 2. Minus dwa i jedna druga podzielic na (minus jeden i jedna czwarta) razy (minus trzy siodme) = ? 3. Minus cztery dziewiate razy (minus cztery i jedna druga) podzielic na (minus jedna dwunasta) = ?
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1. jedna druga
2. minus jeden i jedna druga
3. minus 24
-5/6 x (-1 1/2) x 2/5 = -5/6 x (-3/2) x 2/5= -5/4 x 2/5 = -1/2
-2 1/2 : (-1 1/4) x (-3/7) = -5/2 x (-1/5) x (-3/7)= 1/2 x (-3/7)= 3/14
-4/9 x (-4 1/2) : (- 1/12) = -4/9 x (-9/1) : (-1/12) - 2/1 x (-12/1) = -24