Ответ:
1 3/4×4/10+0,3=7/4×4/10+0,3=28/40+3/10=28/40+12/40=40/40=1
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Ответ:
1 3/4×4/10+0,3=7/4×4/10+0,3=28/40+3/10=28/40+12/40=40/40=1