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Arrange in columns and perform the following operations:

1. Add the largest 7-digit number and the smallest 6-digit number:
[tex]\[
9999999 + 100000 = ?
\][/tex]

2. Subtract 869429 from 1000000:
[tex]\[
1000000 - 869429 = ?
\][/tex]

3. Subtract 99999 from 140857:
[tex]\[
140857 - 99999 = ?
\][/tex]

4. Add the following numbers:
[tex]\[
43240 + 62318 + 105738 + 2469 = ?
\][/tex]

Sagot :

GinnyAnswer
Sure, let's go through each operation step-by-step.

### 1. Add largest 7-digit number and smallest 6-digit number

To add the largest 7-digit number, [tex]\( 9999999 \)[/tex], and the smallest 6-digit number, [tex]\( 100000 \)[/tex]:

[tex]\[ \begin{array}{r} 9999999 \\ + 100000 \\ \hline 10099999 \\ \end{array} \][/tex]

So, the sum of the largest 7-digit number and the smallest 6-digit number is [tex]\( 10,099,999 \)[/tex].

### 2. Subtract [tex]\( 99999 \)[/tex] from [tex]\( 140857 \)[/tex]

[tex]\[ \begin{array}{r} 140857 \\ - 99999 \\ \hline 40858 \\ \end{array} \][/tex]

So, [tex]\( 140857 \)[/tex] minus [tex]\( 99999 \)[/tex] is [tex]\( 40,858 \)[/tex].

### 3. Add the numbers: [tex]\( 43240 \)[/tex], [tex]\( 62318 \)[/tex], [tex]\( 105738 \)[/tex], [tex]\( 2469 \)[/tex]

[tex]\[ \begin{array}{r} 43240 \\ + 62318 \\ + 105738 \\ + 2469 \\ \hline 213765 \\ \end{array} \][/tex]

So, the sum of [tex]\( 43240 \)[/tex], [tex]\( 62318 \)[/tex], [tex]\( 105738 \)[/tex], and [tex]\( 2469 \)[/tex] is [tex]\( 213,765 \)[/tex].

Hence, the results for each operation are:

1. The sum of the largest 7-digit number and the smallest 6-digit number is [tex]\( 10,099,999 \)[/tex].
2. [tex]\( 140857 \)[/tex] minus [tex]\( 99999 \)[/tex] is [tex]\( 40,858 \)[/tex].
3. The sum of [tex]\( 43240 \)[/tex], [tex]\( 62318 \)[/tex], [tex]\( 105738 \)[/tex], and [tex]\( 2469 \)[/tex] is [tex]\( 213,765 \)[/tex].
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