负6.37*72.5+18.2*6.37-63.7*4.57=英语：根据句意及首字母提示完成句子.I am a student of No.1 Middle s______用所给单词的适当形式填空How ______(do)you spell it?please ______(call)Mary at 878 1108.The keys ______(be)Bobs.Is th

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负6.37*72.5+18.2*6.37-63.7*4.57=
英语：根据句意及首字母提示完成句子.
I am a student of No.1 Middle s______
用所给单词的适当形式填空
How ______(do)you spell it?
please ______(call)Mary at 878 1108.
The keys ______(be)Bobs.
Is this ______(you)dictionary?
My ID card ______(be)lost.

负6.37*72.5+18.2*6.37-63.7*4.57
=-6.37*72.5+18.2*6.37-6.37*45.7
=6.37*(-72.5+18.2-45.7)
=6.37*(-100)
=-637

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负6.37*72.5+18.2*6.37-63.7*4.57=英语：根据句意及首字母提示完成句子.I am a student of No.1 Middle s______用所给单词的适当形式填空How ______(do)you spell it?please ______(call)Mary at 878 1108.The keys ______(be)Bobs.Is th 负3.14乘35.2加31.4乘负4.66减3.14乘18.2等于多少? 负三分之一×负0.33 负三,负四,负四,负十,算二十四点 负热膨胀 ()负盛名 gu 负 ( ) 久负盛名,“负： 负3.14和负丌 负负为何得正 为何负负得正? 负的负3是什么意思 为什么负负得正? 为何负负得正? 为什么负负得正? 负（负三）是什么意思? 负负为啥得正 负经度负纬度是什么?