1、72÷8=18÷9=24÷8=28÷7=6÷ 2=15÷3=4÷ 2=5× 5=6× 2=6÷ 2=25÷ 5=49÷ 7=16÷ 2=10÷ 2=7× 9=42÷ 6=30÷ 6=64÷8=18÷ 2=3× 7=3× 3=5× 1=45÷ 9=5× 4=3×99× 4=3× 2=9÷ 1=5× 6=16&#

2、247;8=18÷ 9=6× 2=42÷6=1× 1=32÷ 8=3× 9=42÷ 6=1× 5=54÷9=24÷ 8=48÷ 8=6× 3=36÷ 4=2× 7=3× 1=63÷ 7=4× 8=9× 6=10÷ 2=16÷ 4× 4=2× 6÷4=6× 4=54÷ 6=27÷ 9=7× 6=4× 4=20÷

3、 4=0× 5=12÷ 2=6× 5=21÷ 3=54÷ 6=4× 9=12÷4=3×6=2× 8=63÷ 7=5× 8=9÷3=20÷ 4=2÷ 2=6÷ 3=28÷ 4=4× 7=5× 3=54÷6=9×9=49÷ 7=2× 6=7÷ 7=15÷1=1×6=56÷ 8=21÷ 7=28÷ 7=7×3=35

4、÷ 7=2×3÷ 6=42÷ 7=45÷ 9=30÷ 6=49÷ 7=9×2=56÷ 8=64÷ 8=24-6=63÷ 7=8×5- 8=4×3=16÷ 8=72÷ 8=7× 3=9× 5=2× 7=9× 9=35÷7=9÷ 9=16÷ 4=27÷3=27÷ 9=7× 7=4÷ 4=5× 7=28÷ 7=36÷

5、;9=18÷ 9=40÷ 8=42÷7=8× 3=6× 6=12÷3=81÷ 9÷ 3=7× 4=5× 9=72÷ 9=9÷ 9=20÷4=18÷ 3=7× 8=5× 7=54÷ 6=24÷ 6=9× 8=7÷ 1=7× 5=18÷3=8× 8=27÷ 3=8÷ 1=63÷ 7=81÷ 9=6× 2=8× 9

6、=3× 6=6÷ 2=8× 5=25+41=49÷7=40÷ 8=14÷ 2=10÷2=9× 3=35÷ 7=27÷9=6× 9=9× 2=24÷4=30÷ 6=36÷ 6=3× 6=230÷ 6=15÷ 5=49÷ 7=9×4=9÷3=9×7=24÷ 4=18÷ 9=9×9=72÷ 9=2×2=30÷ 6=14

7、47; 2=7×8=35÷ 5=10÷ 5=42÷ 6=18÷ 2=65+26=36÷ 9=24÷ 8=6× 4=6× 7=7× 2=35÷ 5=63÷ 9=21÷ 7=9× 4=3× 8=30÷ 5=8÷ 2=18÷ 3=4× 8=5× 2=8÷ 8=48÷ 6=4× 8=42+36=75-64=25÷ 5=2× 1=63÷ 9=8&#

8、247; 8=28÷ 4=32÷ 4=5× 5=85-62=81÷ 9=20÷ 5=3× 6=6× 5=21÷ 3=16÷ 8=5× 8=50+40=28÷ 7=49÷ 7=24÷4=8× 7=16÷2=40÷5=8÷ 1÷ 4=4× 9÷ 6=12÷4+9=72÷9=4× 5=36÷4=30÷6=42÷7=8× 8=9

9、5; 9=9× 6=4÷ 1=45÷5=39+45=4× 8+52=5×6=5× 4=45-6=10÷2=315÷ 3=18÷ 2=8×6=4÷2=6×2=6÷2=42÷ 6=9×2=8÷4=3×6=9÷3=8×6=18÷ 2=10÷ 5=4×2=21÷ 3=27÷ 3=3×4=5÷1=72÷ 8=81÷ 9=8

10、15; 2=18÷ 9=27÷ 9=28÷ 7=24÷ 8=3× 9=20÷ 5=4× 1=12÷ 3=4× 9=81÷ 9=5× 7-20=25+41=14÷ 7=6÷ 6=63+24=42÷ 7=9× 1=6÷ 2=8÷ 1×8=49÷7=3× 6=10÷2=5× 2=27÷9=56÷ 7=20÷4=3× 7=3× 6=12

11、÷ 2=30÷6=4× 9=15÷5=6÷ 1=49÷7=15÷ 3=9× 4=9× 3=9÷ 3=45+45=9× 7=5× 9=24÷4=66+26=66+26=72÷ 8=72÷8=9× 8=9× 8=52+35=56+35=8÷ 4=8÷ 4=14÷ 2=14÷2=4×3=28÷ 4=6× 2=80-46 =41×6× 8=78-

12、19=48÷ 6×4=56÷ 7=24÷ 6=35÷ 5=8×9=3× 7=21÷ 7=25+168÷ 8=3× 8=16÷ 2=32÷ 4=8÷ 2=71-68 =3× 5=4× 1=6×1=6÷ 3=18÷ 9=15÷ 3=3× 9=9× 9=9×3=63÷ 9=72÷ 9=25+41=4× 9=2× 2=14÷ 7=25&

13、#247; 5×8=30÷ 6=4×3=6× 5=14÷ 2=90-65=30÷ 5=7× 8=4×5=6× 6=35÷ 5=41+25=40÷ 5=80-46 =4×7=8× 7=10÷ 5=35÷ 7=16÷ 8=42÷ 6=4×9=36+42=18÷ 2=36+24=21÷ 3=65+26=12÷ 2=4× 2=5× 6=36÷9=6× 4=

14、7× 2=54÷9=9× 4=1× 6× 8=56÷7=8× 9=15+1618÷9=27÷9=18÷3=8× 9=8× 4=49+13=9× 7=24÷4=18÷9=33 -19=72 ÷9=52×2=15÷ 3=35-2 6=9× 3=14÷ 2=45+45=7×8=5× 9=35÷ 5=66+26=80-46 =72÷ 8=12÷ 2=9&#

15、215; 8=42÷ 6=56+35=18+27=8÷ 4=65+26=14÷ 2=5×6=6× 2=36÷ 9=36- 17=6×4=49÷ 7=7×2=10÷ 2=63÷ 9=27÷ 9=9×4=24÷ 4=35+163× 6=16+25=30÷ 6=71-68 =15÷ 5=6×1=49÷ 7=63÷ 7=21÷ 7=81÷ 9=3× 6=25+41=14

16、47; 2=35÷ 7=63+24=9× 2=36÷ 6=4× 5=35÷ 7=27÷ 3=4÷ 4=36÷ 9=42÷ 7=12÷ 3=5× 9=20÷ 4=5× 7=9× 8=18÷6=8÷ 1=9+19=8× 9=28÷4=64÷8=9÷ 1=7× 8=63÷7=8× 9=7× 5=42÷6=9× 3=9× 9=42

17、47;6=7× 3=9× 3=16÷4=7× 7=635÷ 7=9×112÷6=40÷ 8=5+52=1× 4=6×6=54÷ 6× 4=40÷ 5=7×4=42÷ 6× 6=3× 5=9÷9=5× 6+41=1× 7+6=7×8=54÷ 6÷ 3=8×124÷ 6=35÷ 73×617+25=2× 7+948

18、7;1×6=3+17=8=45÷ 5=3×8+40=25÷ 525÷ 516÷ 2÷4=2×53×8=40÷ 8× 5=7×61÷1=56+44=56÷ 8=9×5=56÷ 7=8÷ 1=14÷ 2=45-39 =24÷4=5×5=54÷3×4÷2=4×6=6=3×6÷6=15÷ 5=81÷ 9=36÷ 9=8×