混合

[0] (-6) ✕ (+8) =

-48

[1] (-9) ✕ (+4) =

-36

[2] (-9) + (+14) =

+5

[3] (+16) − (-12) =

+28

[4] (-4) ✕ (+4) =

-16

[5] (-14) − (-13) =

-1

[6] (-6) + (+15) =

+9

[7] (+11) + (-12) =

-1

[8] (-5) ✕ (+7) =

-35

[9] (-9) + (-7) =

-16




加法  減法  乗法  混合

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