What is the error in -1.75+-1+4.25+3.75+1+ -4.75+2=18.5
2 answers:
Answer:
they don't respect the signs
Step-by-step explanation:
when you have a problem like the one above you have to put parentheses to the negative numbers either to add or subtract them, there is where the sign rule comes in
Answer:
3.5
Step-by-step explanation:
-1.75+(-1)+4.25+3.75+1+(-4.75)+2
-1.75-1+4.25+3.75+1-4.75+2
-2.75+4.25+3.75+1-4.75+2
1.5+3.75+1-4.75+2
5.25+1-4.75+2
6.25-4.75+2
1.5+2
3.5
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