標題:
有向數題目.10點呀.唔該晒.
發問:
(A) (+2) (+5) =________(B) (+5) (－2) =________(C) (－5) (－4) =________(D) (－3) (+8) =________(E) (+3) (－6) =________(F) (－9) (－7) =________(G) (－4)2 =________=______ (這條題目2字較細隻.在上面)(H) －4 2 =________ (這條題目2字較細隻.在4字右上方)(I) ... 顯示更多 (A) (+2) (+5) =________ (B) (+5) (－2) =________ (C) (－5) (－4) =________ (D) (－3) (+8) =________ (E) (+3) (－6) =________ (F) (－9) (－7) =________ (G) (－4)2 =________=______ (這條題目2字較細隻.在上面) (H) －4 2 =________ (這條題目2字較細隻.在4字右上方) (I) (+7)(－8)(+5) =________ (J) (－3)(+2)(－5) =________ (K) (－2)(－4)(－6 )=________ (L) (－2)3 =_________(這條題目3字較細隻.在上面) 雖然題目較多.但希望你地幫到我.因為老師講得唔清楚.
(A) (+2) (+5) =2×5=10 (B) (+5) (－2) =5×-2=-10 (C) (－5) (－4) =-5×-4=20 (D) (－3) (+8) =-3×8=-24 (E) (+3) (－6) =3×-6=-18 (F) (－9) (－7) = -9×-7=63 (G) (－4)2 =(-4)×(-4)=16 (H) －4 2 =(-1)(4)^2=-16 (I) (+7)(－8)(+5) =7×-8×5=-280 (J) (－3)(+2)(－5) =-3×2×-5=30 (K) (－2)(－4)(－6 )=-2×-4×-6=-48 (L) (－2)3 =(-2)×(-2)×(-2)=-8 2007-08-13 23:28:27 補充： 好似d數字黏得太埋添,,唔好意思...(A) = 10(B) = －10(C) = 20(D) = －24(E) = －18(F) = 63(G) = 16(H) = －16(I) = －280(J) = 30(K) = －48(L) = －8
其他解答:
(A) (+2) (+5) =___+10_____ (B) (+5) (－2) =__-10______ (C) (－5) (－4) =___+20_____ (D) (－3) (+8) =___-24_____ (E) (+3) (－6) =___-18_____ (F) (－9) (－7) =___+63_____ (G) (－4)2 =___+16_____ (這條題目2字較細隻.在上面) (H) －4 2 =__-16____ (這條題目2字較細隻.在4字右上方) (I) (+7)(－8)(+5) =__-280___ (J) (－3)(+2)(－5) =__+30____ (K) (－2)(－4)(－6 )=__-48____ (L) (－2)3 =___-8____(這條題目3字較細隻.在上面)|||||(A) (+2) (+5) =____10____ (B) (+5) (－2) =___-10_____ (C) (－5) (－4) =___20_____ (D) (－3) (+8) =___-24_____ (E) (+3) (－6) =____-18____ (F) (－9) (－7) =___63_____ (G) (－4)2 =___16___ (H) －4 2 =____-16____ (I) (+7)(－8)(+5) =__-280______ (J) (－3)(+2)(－5) =___30_____ (K) (－2)(－4)(－6 )=___-48_____ (L) (－2)3 =____-8_____
有向數題目.10點呀.唔該晒.
發問:
(A) (+2) (+5) =________(B) (+5) (－2) =________(C) (－5) (－4) =________(D) (－3) (+8) =________(E) (+3) (－6) =________(F) (－9) (－7) =________(G) (－4)2 =________=______ (這條題目2字較細隻.在上面)(H) －4 2 =________ (這條題目2字較細隻.在4字右上方)(I) ... 顯示更多 (A) (+2) (+5) =________ (B) (+5) (－2) =________ (C) (－5) (－4) =________ (D) (－3) (+8) =________ (E) (+3) (－6) =________ (F) (－9) (－7) =________ (G) (－4)2 =________=______ (這條題目2字較細隻.在上面) (H) －4 2 =________ (這條題目2字較細隻.在4字右上方) (I) (+7)(－8)(+5) =________ (J) (－3)(+2)(－5) =________ (K) (－2)(－4)(－6 )=________ (L) (－2)3 =_________(這條題目3字較細隻.在上面) 雖然題目較多.但希望你地幫到我.因為老師講得唔清楚.
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最佳解答:(A) (+2) (+5) =2×5=10 (B) (+5) (－2) =5×-2=-10 (C) (－5) (－4) =-5×-4=20 (D) (－3) (+8) =-3×8=-24 (E) (+3) (－6) =3×-6=-18 (F) (－9) (－7) = -9×-7=63 (G) (－4)2 =(-4)×(-4)=16 (H) －4 2 =(-1)(4)^2=-16 (I) (+7)(－8)(+5) =7×-8×5=-280 (J) (－3)(+2)(－5) =-3×2×-5=30 (K) (－2)(－4)(－6 )=-2×-4×-6=-48 (L) (－2)3 =(-2)×(-2)×(-2)=-8 2007-08-13 23:28:27 補充： 好似d數字黏得太埋添,,唔好意思...(A) = 10(B) = －10(C) = 20(D) = －24(E) = －18(F) = 63(G) = 16(H) = －16(I) = －280(J) = 30(K) = －48(L) = －8
其他解答:
(A) (+2) (+5) =___+10_____ (B) (+5) (－2) =__-10______ (C) (－5) (－4) =___+20_____ (D) (－3) (+8) =___-24_____ (E) (+3) (－6) =___-18_____ (F) (－9) (－7) =___+63_____ (G) (－4)2 =___+16_____ (這條題目2字較細隻.在上面) (H) －4 2 =__-16____ (這條題目2字較細隻.在4字右上方) (I) (+7)(－8)(+5) =__-280___ (J) (－3)(+2)(－5) =__+30____ (K) (－2)(－4)(－6 )=__-48____ (L) (－2)3 =___-8____(這條題目3字較細隻.在上面)|||||(A) (+2) (+5) =____10____ (B) (+5) (－2) =___-10_____ (C) (－5) (－4) =___20_____ (D) (－3) (+8) =___-24_____ (E) (+3) (－6) =____-18____ (F) (－9) (－7) =___63_____ (G) (－4)2 =___16___ (H) －4 2 =____-16____ (I) (+7)(－8)(+5) =__-280______ (J) (－3)(+2)(－5) =___30_____ (K) (－2)(－4)(－6 )=___-48_____ (L) (－2)3 =____-8_____
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