亚洲男人天堂av,国产一区二区久久精品,国产精品一区二区久久精品,国产精品久久久久久一区二区三区,五月婷婷在线观看视频,亚洲狠狠色丁香婷婷综合

歡迎您訪問每日一練:計算:-1+(+3)的結果是!

每日一練:計算:-1+(+3)的結果是

更新時間:2024-01-12 12:57:26作者:貝語網校

計算:-1+(+3)的結果是

A.-1

B.1

C.2

D.-2

試題答案

C

為您推薦

數學考題練習:一個口袋中裝有10個紅球和若干個黃球.在不允許

一個口袋中裝有10個紅球和若干個黃球.在不允許將球倒出來數的前提下,為估計口袋中黃球的個數,小明采用了如下的方法:每次先從口袋中摸出10個球,求出其中紅球數與10的比值,再把球放回口袋中搖勻.不斷重復上述過程20次,得到紅球數與10的比值的

2024-01-12 12:58

數學考題練習:把命題“垂直于同一條直線的兩條直線互相平行”改

把命題“垂直于同一條直線的兩條直線互相平行”改寫成“如果…,那么…”的形式為________.

2024-01-12 12:58

數學考題練習:若關于x的一元二次方程x2+(2k+1)x-2

若關于x的一元二次方程x2+(2k+1)x-2+k2=0有實數根,則k的取值范圍是________.

2024-01-12 12:58

數學考題練習:圓柱體是由________個面圍成,這些面相交

圓柱體是由________個面圍成,這些面相交共得________條線,它們是________線.

2024-01-12 12:58

數學考題練習:木工師傅在做完門框后,為防止門框變形常常需釘兩

木工師傅在做完門框后,為防止門框變形常常需釘兩根斜拉的木棒,這樣做的數學原理是________。

2024-01-12 12:58

數學考題練習:在直角三角形中,若兩條直角邊長分別為6cm和8

在直角三角形中,若兩條直角邊長分別為6cm和8cm,則三角形的內切圓半徑與外接圓半徑之比為________.

2024-01-12 12:58

加載中...
主站蜘蛛池模板: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |