7×5= 6×9= 17÷3= 1×3= 72-9=

63÷9×8= 72-(72-63)= 37+58-45= 28-7×6=

1, 1 1 divided by 5, the quotient is (), and the remainder is (). There are () 9s in 2 and 36.

There are () ten and () one in 3 and 46. 4. The number consisting of three tens and six ones is ().

5. A number divided by 2 gets 6, and the remainder is 1. This number is ().

6.() ÷ 3 = 4 ...2 7. In the division operation, the remainder must be greater than the divisor ().

8、 17÷( )=5……2 48÷( )=6

( )÷( )=6……3 ( )÷4=( )……3

( )÷( )=5…… 1 ( )÷5=( )……4

9. What can I fill in ()?

()×6 & lt； 25 7×()& lt； 4 1()×6 & lt； 35 7×()& lt； 4 1

10, in the initial operation with remainder, the dividend is equal to the product of divisor and quotient, plus ().

Fourth, true or false:

There are five eights in 1 and 40, and the formula is 40÷5=8. ( )

When a number is divided by 7, the remainder may be 6, 5, 4, 3, 2, 1. ( )

3. Use the remainder to calculate the division, and the divisor is less than the remainder. ( )

Four and twenty-seven have at most three eights. ( )

5. From 12, I saw three or four consecutive losses. ( )

6. Divide 5 1 into 7 parts on average, each part is 7, leaving 2. ( )

7, 42 ÷ 5 = 8 ...2, which is read as: the quotient of 42 divided by 5 leaves 2. ( )