-3的4次方-4÷九分之四×(-9)是多少啊
问题描述:
-3的4次方-4÷九分之四×(-9)是多少啊
答
(-3)^4-4÷4/9×(-9)
=81-4×9/4×(-9)
=81-9×(-9)
=81+81
=162