吾該搵人教我-V-
題目"
THERE ARE ABOUT 148900000 KM2 OF LAND ON EARTH.ON20TH JULY 2004,THE EARTH POPULATION JUST REACHED 6481 MILLION,
(A)BY RIUNDING OFF THE GIVEN NUMBERS CORRECT TO 2 SIG.FIG.,EST.
(I)THE NUMBER OF PEOPLE ON EACH KM2 OF LAND;
(II)HOW MANY M2 OF LAND EACH MAN ON EARTH CAN OCCUPY
(B)IN FACT,THE LAND OCCUPIED BY EACH PERSON ON EARTH IS FAR LESS THAN THE ANSWER OBTAINED IN (A)(II)ABOVE.CAN YOU GIVE SOME REASONS FOR THIS?

[ 本帖最後由 S.WinG 於 2007-9-15 03:58 AM 編輯 ]

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