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比x的4倍少18的数用字母表示是（ ）
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下图表示某高等动物体内处于不同分裂时期的细胞请据图回答问题1该动物体细胞中最多含有_________
多重比较的结果通常用字母表示平均数右上角具有相同英文字母表示差异具有不同英文字母表示差异用小写英文字
微波波段常用字母表示其中Ku波段的频率范围是
2–4GHz
4–8GHz
8–12GHz
12–18GHz
电荷的多少叫用字母表示
微波波段常用字母表示其中C波段的频率范围是
2-4GHz
4-8GHz
8-2GHz
12-18GHz
下列为从某一细胞中分离得到的几种细胞器的模式简图据图回答1能利用光能为该生物制造大量有机物的细胞器是
用含有字母的式子表示x的2倍少18的数应是
18﹣2x
2x﹣18
18+2x
2x+18
方向控制阀在用字母表示时一般用字母表示右边的控制口
Z
Y
P
S
中国标准分类号的一级类目用字母表示环保类用表示
Z
J
K
R
X
用字母表示比b的4倍少45的数是
45﹣4b
45+4b
4b﹣45
4b+45
方向控制阀在用字母表示时一般用字母表示右边的控制口
Z
Y
P
比a的5倍少x的数用字母表示应该是．
用字母表示比a的4倍少36的数是
36﹣4a
36
+
4a
4a﹣36
4a
+
36
微波波段常用字母表示其中Ku波段的频率范围是
2-4GHz
4-8GHz
8-12GHz
12-18GHz
有理数乘法结合律用字母表示________________;
微波波段常用字母表示其中X波段的频率范围是
2-4GHz
4-8GHz
8-12GHz
12-18GHz
比x的3倍少19的数用字母表示是
19﹣3x
3x﹣19
（x﹣19）×3
x÷3﹣19
读地球上的五带图回答1写出图中字母所代表的五带的名称A.________B.________E.__
有理数乘法交换律用字母表示________________;
读地球上的五带图回答1写出图中字母所代表的五带的名称A.________B.________E.__
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