发布时间 : 星期三 文章小学二年级数学速算与巧算更新完毕开始阅读c029a9c7793e0912a21614791711cc7931b778f2
更多学习资料，欢迎关注公众号“考试笔记”
22-15-7= 23-5-16= 24-8-12= 21-3-5= 16-7-8= 14+8+6= 18-12+19= 26-7+8= 24-18+17= 23-9+5= 75-26= 74-34= 36+45= 39-27= 45-29= 35-29= 28+39= 34+38= 100-82= 39-27= 13-5-15= 26-8-11= 23-15-7= 25-9-8= 24-8-15= 26-17-5= 28-19-6= 26-3-12= 25-26-3= 26-18-2= 25-9-13= 26-18-3= 26-12-11= 28-21-7= 21-7-11= 22-13-5= 26-18-8= 25-14-4= 26-8-17= 30-18-16=
11+16-19= 15+3+8= 8+17-13= 8+19-12= 22-15+17= 23-15+12= 26-17+11= 12+7+8= 18+6-15= 29-16+12= 15+9-18= 16+12-13= 23-18+15= 25-19+10= 14-3+15= 16-11+15= 18-12+16= 9+5+7= 30-11-3=
16+5+4=
19+28= 28+34= 37+48= 28+39= 38+36= 18+39= 82-36= 37+48= 28+39= 100-76= 26-0= 15-15= 26-0= 100-76= 38+16= 34+19= 38+29= 37+28= 35+16= 54+28=
31
46+29= 33+49= 51-18= 52-16= 61-19= 18+39= 82-36= 37+48= 28+39= 100-76= 62-38= 51-18= 52-16= 61-19= 38+29= 37+28= 35+16= 64-13= 58+16= 27-19=
更多学习资料，欢迎关注公众号“考试笔记”
3+15+7= 30-14+8= 8+15+2= 1+13+7= 3+5+17= 28-9-13= 12+5+8= 26-7-8= 19-16+15= 23-19+13= 38+26= 37+16= 51-34= 54-28= 56-27= 35+18= 42+9= 19+48= 51-18= 52-16= 17+4+3= 11+4+15= 30-13-18= 30-13-15= 30-15-14= 26-18-8= 29-18-11= 25-18-6= 25-18-7= 23-5-17= 28-19-1= 24-15-8= 23-14-6= 9+10+11= 12+15+3= 13+2+14= 15+12+1= 12+17+1= 12+3+14= 13+12+5=
10+18-19= 28-16-3= 30-8-19= 30-16-5= 30-18-6= 30-3-18= 30-13-5= 30-15-4= 30-9-18= 30-6-15= 30-15-7= 30-6-13= 30-16-7= 30-11-13= 27-18-6= 26-9-8= 27-8-9= 28-19-9= 3+14+7=
12+8+7=
64-13= 58+16= 12+29= 13+56= 34+19= 35+19 26+18= 91-18= 83-24= 67-19= 76-28= 46-46= 15+68= 63-25= 64-28= 56-39= 84-27= 83-26= 74-29= 73-28=
31
61-19= 34+38 26+27= 37+25= 91-8= 73-29= 84-16= 19+48= 36+45= 75-26= 74-34 51-34= 54-28= 56-27= 64-13= 58+16= 12+29= 13+56= 34+19= 35+19
更多学习资料，欢迎关注公众号“考试笔记”
19+5+1= 15+17+0= 10+15+4= 9+10+11= 12+5+13= 3+15+9= 8+15+2= 7+14+3= 23-15+16= 30-16-11= 54-28= 54-5= 61-15= 56-38= 3+29= 26+18= 91-18= 83-24= 67-19= 76-28= 27-8-6= 26-7-8= 27-8-9= 28-9-9= 3+5+17= 2+6+17= 3+15+9= 8+15+2= 17+4+3= 21-17-1= 12+13+4= 19+5+1= 26-8-8= 26-12-11= 12+17+1= 22-13-5= 13+2+15= 25-8-4= 15+3+10= 12+5+3=
30-11-13= 12+13+4= 12+15+3= 27-18-6= 26-5-18= 26-8-13= 26-8-11= 28-9-11= 10+15+4= 30-18-6= 12+15+3= 30-13-5= 19-18+17= 25-15+16= 25-8+17= 25+4-8= 23+8-9= 15+7-4= 22-6+3=
28-19-5=
46+14= 75-46= 54-26= 38+27= 62-38= 51-18= 52-16= 61-19= 34+38= 38+36= 28+27= 35+26 46+29= 33+49= 37+16= 51-34= 54-28= 56-27= 64-13= 58+16=
31
46-46= 15+68= 63-25= 64-28= 56-39= 84-27= 83-26= 74-29= 73-28= 54-28= 54-5= 26+18= 91-18= 83-24= 67-19= 76-28= 28+34= 37+48= 28+39= 75-26=
更多学习资料，欢迎关注公众号“考试笔记”
25-15-6= 13+2+14= 28-9-11= 16+2-18= 18-9+16= 30-24+15= 12+15+3= 30-8-19= 12+13+4= 30-18-6= 27-19= 38-9= 37-18= 26-17= 35-17= 74-34= 36+45= 39-27= 35+16= 54+28= 16-15+9= 13-8+15= 9+18-6= 18+9-16= 13+15-19= 12+6-15= 17+8-16= 12-8+16= 18-9+15= 13+15-19= 13+16-15= 17-9+12= 18-12+19= 26-7+8= 24-8+7= 13-9+15= 11+16-9= 12+18-19= 15+11-16= 16-8+17=
26-8-11= 10+15+4= 11+16-19= 15+14-16= 22-15+17= 7+19-15= 18+6-15= 15+14-16= 16+12-13= 24-17+12= 14-3+15= 8+17-13= 27-9+12= 23-9+5= 18+16-19= 18+11-13= 15+4-18= 23-15+16= 9+10+1=
30-18+6=
42-38= 76-59= 35-29= 37-21= 37-37= 100-82= 100-54= 100-60= 80-34= 76-54= 82-37= 9+16= 25+67= 35+18= 42+9= 19+48= 36+45= 27-19= 38-9= 37-18=
31
38+26= 37+16= 54-28= 56-27= 64-13= 58+16= 12+29= 84-27= 83-26= 74-29= 73-28= 54-28= 35-17= 42-38= 76-59= 35-29= 37-21= 33+49= 25+37= 51-34=