题文
计算
(1)-9+12-3+8
(2)(-1
)+(-
)+(+
)-(+
)
(3)(-3
)÷2
÷(-3
)×(-0.75)
(4)-16-(1-0.5)×
×[2-(-3)2]
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计算
(1)-9+12-3+8
(2)(-1
)+(-
)+(+
)-(+
)
(3)(-3
)÷2
÷(-3
)×(-0.75)
(4)-16-(1-0.5)×
×[2-(-3)2]
试题篮
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