х+2=4×10
х+2=40
х=40-2
х=38
5+5000-40×10
40×10=400
5+5000=5005
5005-400=4605
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х+2=4×10
х+2=40
х=40-2
х=38
5+5000-40×10
40×10=400
5+5000=5005
5005-400=4605