Решение:
а) (91+x)-48 = 91 + x - 48 = 43 + x
б) о-47+78 = o + 31
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Verified answer
А) (91+х)-48 = 91+х-48 = 43+хб) о-47+78 = о+31
Verified answer
Решение:
а) (91+x)-48 = 91 + x - 48 = 43 + x
б) о-47+78 = o + 31