The beginning of the fourth grade mathematics essay

On the second floor, we saw a suit with a price of 520 yuan. The salesman said, "it's time to catch up with the national day. You can choose to give a 20% discount or a full refund of 160 yuan

In the calculation of division, little careless lost a 0 at the end of the divisor. After dividing by 7, the result is 54, and the remainder is 2. What is the correct result?

54*7+2=380
3800/7=542.6

When calculating division, little careless loses a 0 at the end of the divisor. After dividing by 7, the result is 32, and the remainder is 2. What is the correct result?

(32*7+2)*10=2260
2260/7=322.6

In formula 2002, divide by () = () 14 (14 is the remainder), fill in the appropriate integer in the two brackets to form a correct division formula______ A correct division?

If the divisor is □, and the quotient is △, then □×△ = 2002-14 = 1988. According to 1988 = 2 × 2 × 497, □ ＞ 14, we can get the following equation: equation & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; number of qualified & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; formula 1988 = 1 × 1988 & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 1 & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 2002÷1998=1… 14，1998=2×994 1 2002÷994=2… 14，1998=4×497 1 2002÷497=4… 14, so the answer is: 3

In integers from 1 to 50, what are the remainder of 2 divided by 9

You can add 2 to the multiple of 9, such as: 11, 20, 29, 38, 47

If you remove 65, 100 and 135 from a number, there will be remainder after calculation. If the sum of the three remainder is 42, what is the minimum remainder?
Let's teach my younger sister,

Because of the remainder and 42, the remainder of 100 is 14 The divisor is 43 or 86, so the smallest number is 7

If a two digit number is divided by 351, the remainder is 21, and the minimum of this two digit number is 351______ ．

The remainder is 21, the minimum divisor may be 21 + 1 = 22, and from 351-21 = 330330 △ 22 = 15, we know that the quotient 15 is an integer to meet the requirements of the question

A number divided by 4, the quotient is 21, what is the remainder?

The remainder can be 0,1,2,3

The beginning of the fourth grade mathematics essay