Odpowiedź:
24-3×3,5+(-1,5)=24-10,5-1,5=12
5×3,5+4×(-1,5)-2,5=9
wzur na pole rombu P=e×f/2
12×9/2=54
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Odpowiedź:
24-3×3,5+(-1,5)=24-10,5-1,5=12
5×3,5+4×(-1,5)-2,5=9
wzur na pole rombu P=e×f/2
12×9/2=54