2*(NH-KVV-3*2.5)+NH-KVV-7*2.5
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2*(NH-KVV-3*2.5)+NH-KVV-7*2.5
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To solve this arithmetic expression, let's break it down step by step:
First, let's perform the multiplication:
2 * (NH - KVV - 3 * 2.5) + NH - KVV - 7 * 2.5
= 2 * (NH - KVV - 7.5) + NH - KVV - 17.5
Next, let's simplify the subtraction and addition within the parentheses:
= 2 * (NH - (KVV + 7.5)) + NH - KVV - 17.5
Now, let's multiply 2 with the expression inside the parentheses:
= 2 * NH - 2 * (KVV + 7.5) + NH - KVV - 17.5
= 2NH - 2KVV - 2 * 7.5 + NH - KVV - 17.5
= 2NH - 2KVV - 15 + NH - KVV - 17.5
Now, let's combine like terms:
= 3NH - 3KVV - 32.5
總結
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