Решите пожалуйста х+39=81 81-х=39 х-39=81
х=81...39 х=81...39 х=81...39
х=___ х=____ х=____

х-17=51 х*17=51 51:х=17
х=51...17 х=51...17 х=51...17
х=____ =_____ х=_____

47=х=94 47*х=94 94:х=47
х=94...47 х=94...47 х=94...47
х=_____ х=____ х=_____

76-х=19 76:х=19 19*х=76
х=76...19 х=76...19 х=76...19
х=_____ х=_____ х=_____

45=х=63 63-х=45 х-45=63
х=63...45 х=63...45 х=63...45
х=_____ х=_____ х=_____

х:13=130 х*13=130 130:х=13
х=130...13 х=130...13 х=130...13
х=_____ х=_____ х=______
Простите что так сложно (((
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