摘要:17.计算 (1) (2) (3)
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计算(每题3分,共15分)
1.(1) -9+12-3+8
2.(2) (-1)+(-)+(+)-(+)
3.(3) (-3)÷2÷(-3)×(-0.75)
4. (4) -16-(1-0.5)××[2-(-3)2]
5.(5)用简便方法计算 (-12
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网址:http://m.1010jiajiao.com/timu_id_2067972[举报]
计算(每题3分,共15分)
1.(1) -9+12-3+8
2.(2) (-1)+(-)+(+)-(+)
3.(3) (-3)÷2÷(-3)×(-0.75)
4. (4) -16-(1-0.5)××[2-(-3)2]
5.(5)用简便方法计算 (-12
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