题文
(每小题4分,共24分)
(1)-15-(-8)+(-11)-12
(2)(-
)×(
)×
÷(-
)
(3)(-2)²+4×(-3)²-(-4)²÷(-2)
(4)-5m²n+4mn²-2mn+6m²n+3mn
(5)
ab-
+
-(-
ab)
(6)4x²-[
x-(
x-3)+3x²]
推荐试卷
(每小题4分,共24分)
(1)-15-(-8)+(-11)-12
(2)(-
)×(
)×
÷(-
)
(3)(-2)²+4×(-3)²-(-4)²÷(-2)
(4)-5m²n+4mn²-2mn+6m²n+3mn
(5)
ab-
+
-(-
ab)
(6)4x²-[
x-(
x-3)+3x²]
试题篮
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