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Evaluate the following expressions:

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

Sagot :

GinnyAnsweridn
Certainly! Let's solve each expression step-by-step:

### Expression 1: [tex]\( 7 - 16 + 56 \)[/tex]
1. First, subtract 16 from 7:
[tex]\[ 7 - 16 = -9 \][/tex]
2. Then, add 56 to the result:
[tex]\[ -9 + 56 = 47 \][/tex]
So, [tex]\( 7 - 16 + 56 = 47 \)[/tex].

### Expression 2: [tex]\( 245 + (-250) \)[/tex]
1. Adding a negative number is the same as subtracting the positive value:
[tex]\[ 245 - 250 = -5 \][/tex]
So, [tex]\( 245 + (-250) = -5 \)[/tex].

### Expression 3: [tex]\( 250 + (-535) \)[/tex]
1. Again, adding a negative number is the same as subtracting the positive value:
[tex]\[ 250 - 535 = -285 \][/tex]
So, [tex]\( 250 + (-535) = -285 \)[/tex].

### Expression 4: [tex]\( 350 + (-215) \)[/tex]
1. Adding a negative number is the same as subtracting the positive value:
[tex]\[ 350 - 215 = 135 \][/tex]
So, [tex]\( 350 + (-215) = 135 \)[/tex].

In summary, the results are:
[tex]\[ 7 - 16 + 56 = 47 \][/tex]
[tex]\[ 245 + (-250) = -5 \][/tex]
[tex]\[ 250 + (-535) = -285 \][/tex]
[tex]\[ 350 + (-215) = 135 \][/tex]
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