求答案~ 【(-3)的三次方-(-5)的二次方】⼀(-20)

2024-12-14 07:46:15
推荐回答(4个)
回答1:

【(-3)的三次方-(-5)的二次方】/(-20)
=(-27-25)÷(-20)
=-52÷(-20)
=2.6

回答2:

解:原式= [ -27 -25] /(-20)
= -52 /(-20)
= 2.6

回答3:

(-3)的三次方是-27 .(-5)的二次方是25 原式 (-27-25)/(-20)=13/5

回答4:

((-3)³-(-5)²)/(-20)
=(-27-25)/(-20)
=(-52)/(-20)
=13/5