题目
计算. (1) . (2) . (3) . (4) . 答案:解: −2−1+(−16)−(−13) =(−2)+(−1)+(−16)+13 =−6
解: (−59+56−718)×18 =−59×18+56×18−718×18 =−10+15−7 =−2
解: (−34)×(−112)÷(−214) =(−34)×(−32)÷(−94) =98×(−49) =12
解: −23−3×(−1)3−(23)2 =−8−3×(−1)−49 =−8+3−49 =−499 .选择正确选项,完成所给单词.
m __ ney
[ ]
A.o
B.u
C.a
D.e