CPM Homework Help : AC Problem 1-24

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Home > AC > Chapter Ch1 > Lesson 1.1.3 > Problem 1-24

1-24.

Compute without a calculator.

$427−(−3)$
Hint (a):
Change the subtraction problems into addition problems.
Answer (a):
$427+3=430$

$−50+(−150)$
Answer (b):
$−50+(−150)=−200$

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