分数加减乘除口算题.doc

1 口算练****题( 分数 1) 6 7 ×3 5 =2 1 ÷3 1 =2 1 ×3 1 =2 1 ÷10 3 = 5 4 ÷2 1 =9 8 ÷ 4=4 5 ×5 4 =5÷6 5 = 3 2 ÷3 2 =4 1 ÷3 1 = 13 2 × 2= 26 5 × 13= 6 5 ×5 2 =8 3 ÷ 3= 36×2 1 =2 1 ÷5 2 = 5÷ 6=6 5 ÷ 5=9 5 × 18=7 6 ÷5 6 = 26×2 1 =7 6 × 2=5 3 ×2 1 =7 1 ÷2 1 = 24÷3 2 =8 3 ×5 4 =8 5 +8 4 =5 9 ×3 2 = 11 8 ÷ 8=4 1 +3 1 =5 3 × 15=2 1 +4 3 = 4 3 ×3 2 = 14×7 5 =1÷7 5 =9 8 ÷ 4= 3- = 8 7 -4 3 =3 2 ÷2 3 =3 1 × 27= 5 4 × 3=5 4 - 10 7 =4 1 × 8=4 1 + 3= 2 口算练****题( 分数 2) 6×7 1 = 10 7 ×7 5 =3 2 ×3 2 =7 6 + 6= 5 2 ×2 1 =9 8 × 4= -4 1 = 45 14 × 21 15 = 100 ÷3 2 = 88÷3 22 =2 1 +2 1 =4×4 3 = 12÷3 2 = 25× 4= 10÷8 5 =3 1 ÷ 4= 4 5 ×5 4 = 15 17 × 60= 58 12 × 36 29 = 12÷3 1 = 4 3 × 8= 22 3 × 11= 10÷7 5 =7 6 ×3 2 = 2 1 ÷3 2 =5 3 ×3 2 =4 5 ×5 12 =0×6 5 = 6÷ = ÷ = 5× 11 2 =4 21 ×7 4 = 2 1 ÷ 2=7 5 ×3 2 =5-4 3 = 18 5 ÷ 1= 12÷4 3 =1÷3 5 =7 2 ×3 2 = 28÷3 14 = 0×6 1 =3 2 ×2 1 =5 4 -2 1 =6 5 ×8 7 = 3 口算练****题( 分数 3) 班级____________ 姓名________________ 2 1 +2 1 =3 2 ×4 3 = 2+3 2 =6 1 × 3= 5 4 ×2 1 =9 8 × 4=4 5 ÷4 5 =5÷6 5 = 3 2 ÷3 2 =4 1 ÷2 1 = 13 2 ÷ 2= 24 5 × 8= 4 5 ×5 3 =8 5 ÷ 5= 36×3 1 =2 1 ÷5 2 = 12÷ 9=2 5 ÷ 5= 12 5 × 18=7 6 ÷5 6 = 38×2 1 = 17 6 ÷ 3=5 3 ×2 1 =7 1 ×2 1 = 12÷3 2 = 16 5 ×5 4 =8 3 +2 1 =5 3 ×9 2 = 15 8 ÷ 8=4 1 ×3 1 =5 3 × 15=2 1 ÷4 3 = 4 3 ×3 2 = 34× 17 3 =1÷4 3 =4 1 ÷ 4= 5- = 1-4 3 =3 2 ×2 3 =3 2 × 15= 5 6 ÷ 3=5 4 - 10 7 =6 1 × 8=4 1 + 3= 4 口算练****题( 分数 4) 9 4 ×8 3 =3 5 ÷ 5=0÷3 8 =7 4 -3 2 = 7 2 ×2=12 7 × 4=4÷16 3 = 12×4 9 = 8 75 ÷ 5= 12×9 16 =3 2 ×3= 8÷4 9 = 3 5 ÷5 3 =12 5 × 4=4÷3 16 = 27÷4 9 = 8 75 ÷ 5= 18×9 16 =3 2 ×3= 8÷4 9 = 3 5 ÷3 5 =5 4 ×8 5 =9 7 ×7 9 = × 50= 9 4 × 3=5÷3 1 =2 1 ÷3 1 =7 2 ×9 3 ÷7 2 = 25 21 ÷ 42=5 4 ×4 3 = × = 4× = 7 1 × 14=3 2 ÷6 5 = × 8=3 5 ÷8 5 = 7 6 ×2 3 =6× = 11 4 ÷ 4=9 4 ×8 3 = 3 5 ÷ 5=0÷3 8 =7 4 -3 2 =7 2 ×2= 4÷ 16 3 = 12×4 9 =3 2 ×5=8 5 ×3 16 = 5 口算练****题( 分数 5) 9 2 +9 5 =1-7 6 =5 3 +5 4 = 10 7 - 10 3 = 6 7 +3 5 =2 1 -3 1 =2 1 +3 1 =2 1 - 10 3 = 2 1 ÷2 1 = 18×3 2 =4 1 × 3=3 2 ×3 2 = 4 1 ×3 1 =6 5 ÷5 2 =8 3 +2 1 =2 1 ×5 2 = 15÷ 12=6 5 ×