Many families____ children for doing some hosework so that they can learn how make money for their own use.A ask B pay 选哪个?为什么?
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Many families____ children for doing some hosework so that they can learn how make money for their own use.A ask B pay 选哪个?为什么?
>CH-CH
(ch>='0'&&ch
ch=(ch>='A'&&ch
(ch>='a' && ch='A' && ch
ch=(ch>='a'&&ch
CH是什么意思
CH 是什么意思
5CH 2CH是什么
memset(ch,0,sizeof(ch));
ch=（ch>='A'&&
return (ch>='0' && ch
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1)CH3--CH--CH--CH3| |CH3 CH2|CH3 2)CH3--CH--CH--CH--CH--CH3| | | |CH3 CH3 CH2 CH3|CH33)CH3--CH--CH2--CH3|C2H5CH3--CH--CH--CH3 ..............|...........| ..............CH3...........CH2 ..............| ..................CH3 2)CH3--CH--CH--CH--CH--CH3
main(){ char ch ; scanf(%c,&ch); ch=(ch>='a'&&ch
CH3-CH=CH-C≡CH 如何命名?
C语言 ch=（ch>='A'&& ch