一年级下册数学暑假作业【三篇】

1、 !1 13-7 =6 14-5 = 9 11-9 =2 12-4 =8 16-8 =82 + 44 =46 30 + 63 =93 53-8 =45 50-6 =44 75-9 =6613-9 =4 14-7 =7 17-8 =9 11-5 =6 12-3 =95 + 71 =76 48 + 5 =53 6 + 26 =32 67 + 9 =76 58-5 =5314-8 = 6 11-7 =4 15-8 =7 18-9 =9 16-7 =943-30 = 13 37-7 =30 56-20 = 36 15-6=9 12-5 =752 + 17=69 27 + 68=95 35 + 35=7

2、061-53 =8 73-45=28 50-24=26(!)1 ( 34 ) ( 40 ) ( 55 ) (100 )2. 67 6 7 52 25 3 12-7=5 12-5=74 47 8 (40) 52 5 ( 25 )( 6 ) ( 1 )( 2 )6 2 107. 8+31=39 8+37 =45 50-9=41 73-37=36(8+37 50-9 ) (8+31 73-37) 8(1)16 (2)34 (3)17(1) (2)80 (3)6 (4)60 (5)16141-29=12() 220+60=80() 360-28=32() 470-25=45()5 14 4 2 3 5

3、2 11-2 = 9 13-5 =8 24-8 = 16 41-6 = 354 + 55 = 59 29 + 4 =33 8 + 18 =26 76 + 6 =8243-9 = 34 56-7 =49 12-3 = 9 17-8 =95 + 87 = 92 88-3 =85 40 + 21 =61 65-30 =3582-6 =76 21-4 =17 33-7 = 26 54-5 =4930 + 70 =100 90-60 =30 74-70 =4 53-3=5025 + 5-8 =22 9 + 3-6 = 6 18-3-9 =610 + 5-7 =8 32-4-8 =20 11-6 + 9

4、=141. 10+12=22 22-10=12 22-12=102. 3. 42444648( 50 ) 80859095(100 )73727170( 69 ) 40302010( 0 )4.(1)37 (2)10 (3)35. 6 66 ;64 46 ;64 64 66 46 6. 12-7 =11-6 () 16-7 16-(7) 11-6 ()24 + 42 =66 90-57 = 33 18 + 69 = 87 62-35 =27().62 10 9 2 6() !.154-28=26()215+8=23()342-27=15()4(1)56-40=16() (2)56-37=19()531-24=7()311 - 7 =4 73 - 30 =43 58 - 6=5260 - 5 =55 40 + 28 =68 12 - 4=89 + 24 =33