800÷4=

880÷8=

640÷4=

90÷6=

900÷6=

720÷3=

980÷7=

960÷8=

80÷20=

100÷50=

50÷ 10=

250÷50=

60÷30=

360÷60=

160÷80=

320÷40=

120÷30=

390÷30=

180÷3=

360÷3=

540÷3=

120÷ 10=

120÷20=

120÷40=

80÷20=

80÷40=

80÷80=

520÷2=

120÷40=

360÷60=

660÷6=

8 10÷90=

80÷40=

60÷60=

90÷30=

400÷40=

720÷80=

30÷ 10=

2 10÷30=

720÷8=

150÷50=

900÷50=

360÷30=

42÷3=

60÷4=

960÷4=

540÷6=

3 10÷62=

240÷48=

90÷ 16=

250÷50=

320÷40=

420÷3=

900÷90=

550÷50=

840÷40=

560÷4=

900÷5=

320÷ 16=

960÷32=

Division calculation method

1, long division

Long division, commonly known as "long division", is suitable for integer division, decimal division, polynomial division (that is, factorization) and other divisions that pay more attention to the calculation process and quotient, and both multiplication and subtraction are used in the process.

According to the multiplication table, two integers can be calculated by long division (direct division). If the dividend has a decimal part (or decimal point), just bring the decimal point down when calculating; If the divisor has a decimal point, move the decimal points of the divisor and the dividend at the same time until the divisor has no decimal point. An abacus can also do division.

2. Short division

Short division, commonly known as "short division", is suitable for fast division, synchronous division of multiple integers (so it is often used to find the greatest common factor and the least common multiple), binary digital conversion and so on. , pay more attention to multiple tests and division of prime factors (serial multiplication). Most processes only need to use the multiplication table of 99 and a few multiplication factors of integers above 9.