育才学习网1.100以内加减法口算
前面减法，后面加法，第一数升序排列：11 - 7 =13 - 5 =22 - 11 =25 - 13 =28 - 15 =31 - 3 =31 - 17 =32 - 5 =33 - 7 =34 - 9 =34 - 19 =35 - 9 =35 - 11 =36 - 11 =36 - 13 =37 - 13 =37 - 15 =37 - 21 =38 - 15 =38 - 17 =38 - 35 =39 - 17 =39 - 19 =39 - 33 =40 - 19 =40 - 21 =40 - 23 =40 - 31 =41 - 21 =41 - 23 =41 - 29 =42 - 23 =42 - 25 =42 - 27 =43 - 25 =43 - 25 =43 - 25 =43 - 27 =44 - 23 =44 - 27 =44 - 29 =44 - 43 =45 - 21 =45 - 29 =45 - 31 =45 - 43 =46 - 19 =46 - 27 =46 - 31 =46 - 33 =46 - 44 =47 - 17 =47 - 33 =47 - 35 =47 - 40 =47 - 41 =47 - 42 =48 - 35 =48 - 37 =48 - 44 =48 - 45 =48 - 47 =49 - 29 =49 - 37 =49 - 39 =49 - 39 =50 - 39 =50 - 41 =50 - 46 =50 - 48 =51 - 15 =51 - 37 =51 - 41 =51 - 43 =51 - 48 =52 - 31 =52 - 43 =52 - 43 =52 - 45 =52 - 45 =52 - 47 =52 - 47 =52 - 49 =53 - 35 =53 - 38 =53 - 45 =53 - 47 =54 - 33 =55 - 17 =55 - 28 =55 - 33 =55 - 33 =55 - 49 =56 - 23 =56 - 53 =57 - 18 =57 - 31 =58 - 35 =58 - 51 =58 - 51 =59 - 19 =59 - 29 =59 - 29 =59 - 50 =60 - 49 =61 - 27 =61 - 37 =61 - 48 =61 - 53 =62 - 30 =62 - 47 =63 - 21 =63 - 25 =63 - 46 =64 - 39 =64 - 45 =64 - 55 =65 - 23 =65 - 31 =65 - 44 =66 - 43 =67 - 41 =67 - 42 =67 - 57 =68 - 32 =68 - 41 =69 - 40 =70 - 39 =70 - 43 =70 - 59 =71 - 33 =71 - 38 =72 - 37 =73 - 36 =73 - 45 =73 - 61 =74 - 34 =74 - 35 =75 - 34 =76 - 7 =76 - 33 =76 - 47 =76 - 63 =77 - 5 =77 - 32 =77 - 35 =78 - 3 =78 - 9 =78 - 31 =79 - 1 =79 - 11 =79 - 30 =79 - 49 =79 - 65 =80 - 13 =80 - 29 =80 - 36 =80 - 69 =81 - 15 =81 - 28 =81 - 67 =82 - 17 =82 - 27 =82 - 51 =82 - 65 =82 - 67 =83 - 19 =83 - 37 =83 - 51 =83 - 63 =84 - 21 =84 - 49 =85 - 23 =85 - 47 =85 - 53 =85 - 69 =86 - 25 =86 - 38 =86 - 45 =87 - 27 =87 - 43 =88 - 29 =88 - 41 =88 - 55 =88 - 71 =89 - 31 =89 - 39 =89 - 39 =90 - 33 =90 - 37 =91 - 35 =91 - 35 =91 - 57 =91 - 73 =92 - 33 =92 - 37 =92 - 40 =93 - 31 =93 - 39 =94 - 29 =94 - 41 =94 - 59 =94 - 75 =95 - 27 =95 - 41 =95 - 43 =96 - 25 =96 - 45 =97 - 7 =97 - 23 =97 - 47 =97 - 61 =98 - 21 =98 - 42 =98 - 49 =99 - 19 =99 - 51 =1 + 17 =2 + 47 =2 + 49 =3 + 15 =4 + 23 =4 + 25 =5 + 13 =5 + 19 =5 + 21 =6 + 21 =6 + 23 =6 + 24 =6 + 26 =7 + 11 =7 + 23 =7 + 25 =8 + 25 =8 + 25 =8 + 27 =8 + 27 =9 + 9 =9 + 27 =9 + 29 =10 + 26 =10 + 28 =10 + 29 =10 + 31 =11 + 7 =11 + 14 =11 + 16 =11 + 31 =11 + 33 =12 + 27 =12 + 29 =12 + 33 =12 + 35 =13 + 5 =13 + 35 =13 + 37 =14 + 28 =14 + 30 =14 + 37 =14 + 39 =15 + 19 =15 + 21 =15 + 39 =15 + 41 =15 + 73 =16 + 29 =16 + 31 =16 + 41 =16 + 43 =17 + 43 =17 + 45 =17 + 71 =18 + 30 =18 + 32 =18 + 45 =18 + 47 =19 + 24 =19 + 26 =19 + 47 =19 + 49 =19 + 69 =20 + 31 =20 + 33 =20 + 49 =20 + 51 =21 + 51 =21 + 53 =21 + 67 =22 + 32 =22 + 34 =22 + 53 =22 + 55 =23 + 29 =23 + 31 =23 + 55 =23 + 57 =23 + 65 =24 + 33 =24 + 35 =24 + 57 =24 + 59 =25 + 59 =25 + 61 =25 + 63 =26 + 34 =26 + 36 =26 + 61 =26 + 63 =27 + 34 =27 + 36 =27 + 61 =27 + 63 =27 + 65 =28 + 35 =28 + 37 =28 + 65 =28 + 67 =29 + 59 =29 + 67 =29 + 69 =30 + 36 =30 + 38 =30 + 69 =30 + 71 =31 + 1 =31 + 3 =31 + 39 =31 + 41 =31 + 57 =32 + 3 =32 + 5 =32 + 37 =32 + 39 =33 + 5 =33 + 7 =33 + 55 =34 + 7 =34 + 9 =34 + 38 =34 + 40 =35 + 9 =35 + 11 =35 + 44 =35 + 46 =35 + 53 =36 + 11 =36 + 13 =36 + 39 =36 + 41 =37 + 13 =37 + 15 =37 + 51 =38 + 15 =38 + 17 =38 + 40 =38 + 42 =39 + 17 =39 + 19 =39 + 49 =39 + 49 =39 + 51 =40 + 19 =40 + 21 =40 + 41 =40 + 43 =41 + 21 =41 + 23 =41 + 47 =42 + 23 =42 + 25 =42 + 42 =42 + 44 =43 + 25 =43 + 27 =43 + 45 =43 + 54 =43 + 56 =44 + 27 =44 + 29 =44 + 43 =44 + 45 =45 + 29 =45 + 31 =45 + 43 =46 + 31 =46 + 33 =46 + 44 =46 + 46 =47 + 33 =47 + 35 =47 + 40 =47 + 41 =47 + 42 =48 + 35 =48 + 37 =48 + 45 =48 + 47 =49 + 37 =49 + 39 =49 + 39 =50 + 39 =50 + 41 =50 + 46 =50 + 48 =51 + 37 =51 + 41 =51 + 43 =52 + 43 =52 + 45 =52 + 47 =52 + 49 =53 + 35 =53 + 45 =53 + 47 =55 + 33 =57 + 34 =59 + 35 =61 + 36 =63 + 37 =65 + 38 = 近500道，够了吧？祝做这些题目的孩子学习进步。
2.小学五年级连加法,怎么做啊,把过程写下来
5/6+1/2+2/3=(5+3+4)/6=12/6=29/20+1/3+11/20=(27+20+33)/60=80/60=4/32/5+1/8+7/8=2/5+(1/8+7/8)=2/5+1=7/517/12-3/4-1/3=(17-9-4)/12=4/12=1/31-2/9-7/9=(9-2-7)/9=02/7+5/6-1/2=(12+35-21)/42=26/42=13/216/5-1/6+1/2=36-5+15/30=46/30=23/158/9+4/5-8/9=(8/9-8/9)+4/5=4/51/6+3/4+1/3=(2+9+4)/12=15/12=5/4这样行么 小朋友 ok。
3.一年级下册加法口算
1+1=2
2+1=3 2+2=4
3+1=4 3+2=5 3+3=6
4+1=5 4+2=6 4+3=7 4+4=8
5+1=6 5+2=7 5+3=8 5+4=9 5+5=10
6+1=7 6+2=8 6+3=9 6+4=10 6+5=11 6+6=12
7+1=8 7+2=9 7+3=10 7+4=11 7+5=12 7+6=13 7+7=14
8+1=9 8+2=10 8+3=11 8+4=12 8+5=13 8+6=14 8+7=15 8+8=16
9+1=10 9+2=11 9+3=12 9+4=13 9+5=14 9+6=15 9+7=16 9+8=17 9+9=18
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