兩位是減一位數(shù)退位減法練習(xí)題

1、兩位是減一位數(shù)退位減法練習(xí)題26-9=32-7=24-6=25-7=35-6=42-8=26-8=32-8=32-9=35-7=33-5=33-9=34-5=34-6=34-9=35-9=36-7=36-9=37-9=38-9=20-4=40-4=21-8=20-8=30-7=40-2=31-4=31-7=40-1=22-6=40-3=40-5=40-9=41-2=33-8=41-3=41-5=41-7=23-8=41-9=42-3=22-9=23-5=25-8=27-9=42-4=42-5=42-7=42-9=43-4=43-5=43-7=61-8=53-5=62-5=53-8=43-9=4

2、4-5=44-7=45-6=45-8=53-7=61-4=46-7=46-9=47-8=48-9=54-8=60-6=63-6=63-5=50-1=50-3=50-5=50-7=55-8=62-8=50-9=51-2=51-5=64-8=51-7=51-9=52-3=52-7=43-6=44-8=52-8=52-9=53-4=53-6=45-9=53-9=54-5=46-8=61-7=60-8=54-6=54-7=50-2=61-3=54-9=55-6=50-6=61-6=17 -8 =27 -8 =37 -8 =64 -6 =44 -6 =34 -6 =24 -6 =14 -6 =14 -9

3、 =33 -7 =46 -9 =22 -4 =12 -6 =52 -9 =42 -8 =32 -4 =62 -5 =46 -8 =28 -9 =16 -8 =18 -9 =35 -6 =31 -4 =16 -7 =32 -5 =42 -5 =57 -9 =61 -4 =74 -6 =54 -7 =23 -4 =36 -8 =16 -8 =23 -6 =26 -8 =14 -7 =84 -7 =91 -4 =67 -9 =55 -6 =11 -4 =21 -4 =31 -4 =41 -4 =14 -7 =24 -7 =34 -7 =483=20-5=50-7=40-3=60-2=30-6=20-

4、8=50-4=70-4=20-5=70-8=40-7=80-4=90-1 =60-7=80-5=70-3=20-3=70-5=40-6=80-8=60-4=30-5=50-6=60-2=30-4=40-5=50-7=60-3=37-8=22-4=23-9=42-6=41-7=63-8=53-6=54-9=81- 2=26-8=85-8=38-9=54 - 6 =25 - 6 =23 - 8 =75 - 7 =21 - 4 =33 - 5 =73 - 5 =14 - 5 =82 - 6 =47 - 8 =51 - 4 =84 3=73-7=38-9=45-9=72-3=24-6=63-8=72-

5、5=34-8=71-7=65-8=48-9=24-7=53-9=68-3=46-9=21-7=把正確的得數(shù)圈出來45 8 (37,47 )92 9 (2 ,83 ) 84 7 (14,77)376 (21,31 )提問：在計算兩位數(shù)減一位數(shù)的減法時，你有什么要提醒大家的？56 561-8 6310549 57 772 42.填一填。在O里填“”、V 或=061 40 65460 526 72 2070310 35923+80 23 884 90 845(1)直接寫得數(shù)。亮亮帶30元去買一個書包28元，應(yīng)找回多少元?74 - 6 =80-7 =54 - 7=27-849-5 =25+ 6 =98

6、 - 9=62 -20 =(2)在得數(shù)比50小的算式后面畫“/。54 - 9口42 + 874- 40口59-4口42 + 636+ 30(3)解決問題。六智力沖浪，拓展練習(xí)O和各表示什么數(shù)字？0-0= 85o= () =()34 8=43 8=834=384=18 + 6 =27+ 7 =28 + 2 =36+ 6=27+ 823 9=94 5 =77 8=60 4=80 548 + 5=49+ 6 =18+ 8=48+ 7=18+ 7 50660 7=90 8 =50 9=91 2=7+ 56=9 + 35=4+ 36=8+ 49=6 + 68 =42 7 =32 8=73 8=83 9=34 5 =24+ 6=15+ 7=55+ 8=67+ 5 =48+ 693 - 9=44 5 =84 6=46 7=85 - 9=87+ 3 =76+ 4=77+ 9=68 + 9=69+ 1 =25 6=15 7=65- 8=75 9 =56 7=58+ 2=68+ 339+ 4=47+ 5 =75 + =72- 7=42 8= 80 3 =91 5=94 7=44+ 7=32 + 812+ 9=28+ 4 =86+ 5=848=35 695 - 7=75 8 =34+ 6=43+ 7=53+ 896 8 =66 - 9=57-8=87 9=48 9=69+ 573+ 7