Terrestrial trunked radio - voice plus data - part 12 : supplementary services stage 3 ; sub - part 9 : access priority endorsement of the english version ets 300392 - 12 - 9 : 1998 as german standard 地面主干线广播.语音加数据.第12部分:补充服务3级.第
This demonstrates the operation addition performed on two whole numbers , two and three ( known as addends , ) which result in a sum ( total ) of five circles 以上演示了两个整数的加法运算，两个整数分别为2和3 （是作为加数） ，这样就得到和是5个球。
Terrestrial trunked radio - voice plus data - part 10 : supplementary services stage 1 ; sub - part 9 : access priority endorsement of the english version ets 300392 - 10 - 9 : 1999 as german standard 地面主干线广播.语音加数据.第10部分:补充服务1级.第
The way to find an unknown addend from one addend and the sum is called subtraction . this is the essence of subtraction . please read after me 归纳减法的意义：已知两个加数的和与其中的一个加数，求另一个加数的运算，叫做减法。 （让学生读读。 ）
First , with the coding idea of thomas h . labean " logical computation using dna molecules " , we developed a dna - based addition model of two n - system addend 首先，运用labean解决累加异或问题的编码思想，实现n进制的两个加数的加法进位问题。
Terrestrial trunked radio - voice plus data - part 11 : supplementary services stage 2 ; sub - part 9 : access priority endorsement of the english version ets 300392 - 11 - 9 : 1998 as german standard 地面主干线广播.语音加数据.第11部分:补充服务2级.第
Terrestrial trunked radio - voice plus data - part 3 : interworking at the inter - system interface - sub - part 3 : additional network feature group call anf - isigc v1 . 2 . 1 地面中继无线电.声音加数据.第3部分:系统内接口的互连.第3分部分:附加网络特性组呼叫
Terrestrial trunked radio - voice plus data - part 4 : gateways basic operation ; sub - part 1 : public switched telephone network endorsement of the english version ets 300392 - 4 - 1 : 1999 as german standard 地面主干线广播.语音加数据.第4部分:网关基本操作.第
Add half teaspoonful of lime juice to one teaspoonful of the cucumber distillate and a few drops of geoflair s rose water . apply on the face and neck and leave on for 15 minutes 将半茶匙的青柠汁混和在一茶匙的纯青瓜蒸馏水，再加数滴geoflair的玫瑰花水，用来敷面约十五分钟，然后洗净。
Compare problems 2 & 3 with problem 1 . what parts are known in problems 2 & 3 ? and what are we trying to find out ? please discuss with your partners 让学生讨论后，说出：第（ 1 ）题是已知两个加数，求它们的和，用加法计算。第（ 2 ） 、 （ 3 ）题是已知两个数的和与其中的一个加数，求另一个加数，用减法计算。
