What has your partner got in his school bag? What have you got?

Question

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vikavika1417 · Accepted Answer

1)х+(619-392)=719+320. 2)120+880-х=56*50
х+619-392=1039. 1000-х=2800
х=1039-227. -х=2800-1000
х=812. Х=-1800.

3)х*(94-78)=893+707. 4)5*25:х=890-865
х*(94-78)=1600. 5*25:х=25
х*16=1600. 125:х=25
х=1600:16. Х=125:25
х=100. Х=5

MOGZ ответил