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Calculate the following:

1. [tex]\(7 - 16 + 56 =\)[/tex]
2. [tex]\(245 + (-250) =\)[/tex]
3. [tex]\(9250 + (-535) =\)[/tex]
4. [tex]\(350 + (-215) =\)[/tex]

Sagot :

GinnyAnsweridn
Certainly! Let's solve each of the expressions step by step:

1. Expression: [tex]\( 7 - 16 + 56 \)[/tex]

Step-by-step solution:
- Start with [tex]\( 7 \)[/tex].
- Subtract [tex]\( 16 \)[/tex]: [tex]\( 7 - 16 = -9 \)[/tex].
- Add [tex]\( 56 \)[/tex]: [tex]\( -9 + 56 = 47 \)[/tex].

So, [tex]\( 7 - 16 + 56 = 47 \)[/tex].

2. Expression: [tex]\( 245 + (-250) \)[/tex]

Step-by-step solution:
- Start with [tex]\( 245 \)[/tex].
- Add [tex]\( -250 \)[/tex] (which is the same as subtracting [tex]\( 250 \)[/tex]): [tex]\( 245 - 250 = -5 \)[/tex].

So, [tex]\( 245 + (-250) = -5 \)[/tex].

3. Expression: [tex]\( 9250 + (-535) \)[/tex]

Step-by-step solution:
- Start with [tex]\( 9250 \)[/tex].
- Add [tex]\( -535 \)[/tex] (which is the same as subtracting [tex]\( 535 \)[/tex]): [tex]\( 9250 - 535 = 8715 \)[/tex].

So, [tex]\( 9250 + (-535) = 8715 \)[/tex].

4. Expression: [tex]\( 0350 + (-215) \)[/tex]

Step-by-step solution:
- Note that [tex]\( 0350 \)[/tex] is the same as [tex]\( 350 \)[/tex] (leading zeroes do not change the value of the number).
- Start with [tex]\( 350 \)[/tex].
- Add [tex]\( -215 \)[/tex] (which is the same as subtracting [tex]\( 215 \)[/tex]): [tex]\( 350 - 215 = 135 \)[/tex].

So, [tex]\( 0350 + (-215) = 135 \)[/tex].

Therefore, the solutions to the given expressions are:

[tex]\[ 7 - 16 + 56 = 47 \][/tex]
[tex]\[ 245 + (-250) = -5 \][/tex]
[tex]\[ 9250 + (-535) = 8715 \][/tex]
[tex]\[ 0350 + (-215) = 135 \][/tex]
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