教育专题：四下练习六

Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,5/18/2019,#,四年级,.,人教版下,练习四,第,1,题,、计算下面各题，怎样简便就怎样计算。,60+255+40,=60+40+255,=100+255,=355,282+41+159,=282+(41+159),=282+200,=482,548+52+468,=(,548+52)+,468,=600+468,=1068,教材第,22,页练习六,第,2,题,。,225+328+175,=225+175+328,=400+328,=728(,元,),答：王阿姨一共要汇,728,元钱,。,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,2000416284,2000（,416,284）,2000700,1300（,m,）,答：海拔1300,m,。,1+2+3+4+5+6+7+8+9+10,=(1+9)+(2+8)+(3+7)+(4+6)+(10+5),=55(,根,),答：这堆原木一共,有,55,根。,4,.,这,堆原木一共,有多少根？,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,107,104,106,38,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,325-276-24,=325-,（,276+24,）,=325-300,=25,（票）,25,2255+355+245,=2255+,（,355+245,）,=2255+600,=2855,（元）,答：这台彩电原价,2855,元。,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,104+78-4-8,=,（,104-4,）,+,（,78-8,）,=100+70,=170,（名）,答：这节车厢为,170,名乘客。,1+2+3+4+98+99+100,=,（,1+100,）,+,（,2+99,）,+,（,50+51,）,=10150,=5050,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,2+4+6+16+18+20,=,（,2+20,）,+,（,4+18,）,+,（,10+12,）,=522,=110,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,20-19+18-17+4-3+2-1,=,（,20-19,）,+,（,18-17,）,+,（,2-1,）,=110,=10,