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-59
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-59
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\frac{10}{10}-3\left(15-10\right)^{2}+4\times 3-\left(6-2\right)+7
Add 8 and 2 to get 10.
1-3\left(15-10\right)^{2}+4\times 3-\left(6-2\right)+7
Divide 10 by 10 to get 1.
1-3\times 5^{2}+4\times 3-\left(6-2\right)+7
Subtract 10 from 15 to get 5.
1-3\times 25+4\times 3-\left(6-2\right)+7
Calculate 5 to the power of 2 and get 25.
1-75+4\times 3-\left(6-2\right)+7
Multiply 3 and 25 to get 75.
-74+4\times 3-\left(6-2\right)+7
Subtract 75 from 1 to get -74.
-74+12-\left(6-2\right)+7
Multiply 4 and 3 to get 12.
-74+12-4+7
Subtract 2 from 6 to get 4.
-74+8+7
Subtract 4 from 12 to get 8.
-66+7
Add -74 and 8 to get -66.
-59
Add -66 and 7 to get -59.
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