1. 121*(-1/11)
2. 81除(-9)
3. (-36)除(負2分1)
要有計算過程>
數學問題!!
2007-09-30 8:52 pm
回答 (2)
2007-09-30 8:57 pm
✔ 最佳答案
1. 121*(-1/11)= 121*(-1) / 11
= -121/11
= -11
2. 81除(-9)
= 81 / (-9)
= -9
3. (-36)除(負2分1)
= (-36) / (-1/2)
= (-36*2) / (-1)
= -72 / -1
= 72
要有計算過程>
參考: myself
2007-09-30 9:09 pm
1. 121*(-1/11) = -(121 *1 / 11) = -(121/11) = -11
2. 81除(-9) = -(81/9) = -9
3. (-36)除(負2分1) = -(36 ) / -(1/2) = +(36 * 2) / 1 = 72
希望幫到你
2. 81除(-9) = -(81/9) = -9
3. (-36)除(負2分1) = -(36 ) / -(1/2) = +(36 * 2) / 1 = 72
希望幫到你
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