两个有向数相乘的法则/求下列个数的值(a)(+2)(+7)(b)(-3)(-9)(c)(-10)(+7)(d)(+5)(-3)(e)(+2)(+13)(+4)(f)(-3)(-7)(-9)(g)(-3
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题目内容:
两个有向数相乘的法则 /求下列个数的值
(a) (+2)(+7)
(b) (-3)(-9)
(c) (-10)(+7)
(d) (+5)(-3)
(e) (+2)(+13)(+4)
(f) (-3)(-7)(-9)
(g) (-3)(+12)(-5)
(h) (+4)(+17)(-3)
优质解答
14
27
-70
-15
104
-189
180
-204
本题链接: