## Calculation tasks involving a mixture of addition, subtraction, and multiplication ver1

Calculation tasks involving a mixture of addition, subtraction, and multiplication ver1_001

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Calculation tasks involving a mixture of addition, subtraction, and multiplication ver1_005

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Calculation tasks involving a mixture of addition, subtraction, and multiplication ver1_007

Calculation tasks involving a mixture of addition, subtraction, and multiplication ver1_008

Calculation tasks involving a mixture of addition, subtraction, and multiplication ver1_009

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Calculation tasks involving a mixture of addition, subtraction, and multiplication ver1_011

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Calculation tasks involving a mixture of addition, subtraction, and multiplication ver1_019

Calculation tasks involving a mixture of addition, subtraction, and multiplication ver1_020

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