计算:(1)(-3)×(-9)-8×(-5)(2)-63÷7+45÷(-9)(3) (4)(1- )×(-48)(5) -0.25
计算:(1)(-3)×(-9)-8×(-5)(2)-63÷7+45÷(-9)(3)(4)(1-)×(-48)(5)-0.25×(-5)×(-64)(6)...
计算:(1)(-3)×(-9)-8×(-5)(2)-63÷7+45÷(-9)(3) (4)(1- )×(-48)(5) -0.25×(-5)×(-64)(6)
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