计算42-22=_____,62-42=_____,82-62=_____,102-82=____.
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计算42-22=_____,62-42=_____,82-62=_____,102-82=____.
![计算42-22=_____,62-42=_____,82-62=_____,102-82=____.](/uploads/image/z/8135640-0-0.jpg?t=%E8%AE%A1%E7%AE%9742%EF%BC%8D22%3D_____%2C62%EF%BC%8D42%3D_____%2C82%EF%BC%8D62%3D_____%2C102%EF%BC%8D82%3D____.)
计算42-22=__20___,62-42=__20___,82-62=__20___,102-82=__20__.
计算42-22=_____,62-42=_____,82-62=_____,102-82=____.
finally=_____ ____=_____ ____ _____
whenever=___ ____ _____ whatever=____ _____ ____
nine forty-five=_____ ____ ____ _____
当然英语翻译_____=_____=_____
by himself=_____ _____ _____
1、keep healthy=_____ _____ _____ _____
Mg(OH)2+_____====____+_____
live as a family=live ____ _____ _____
角的单位换算32.18°=____°_____'_____"42.36°=____°_____'_____"
人体细胞内进行呼吸作用可表示为_____+_____=____+_____+______
42×48=_____,56×54=____,75×75=____,你发现计算结果有什么规律?