问题
解答题
(-2)3×(-1)4-|-12|÷[-(-
|
答案
(-2)3×(-1)4-|-12|÷[-(-
)2]1 2
=(-8)×1-12÷(-
)1 4
=-8-12×(-4)
=-8+48
=40.
(-2)3×(-1)4-|-12|÷[-(-
|
(-2)3×(-1)4-|-12|÷[-(-
)2]1 2
=(-8)×1-12÷(-
)1 4
=-8-12×(-4)
=-8+48
=40.