2 - 9 =
-4 - 7 =
10 - (-5) =
7 - (-7) =
-6 - (-7) =
-23 - (-34) =
-42 - 23 =
16 - (-54) =
-127 - 143 =
-106 – (-144) =
بررسی جوابها
راهنمایی
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