1) 42/140x100%=4200/140=30
2)43/140x100%=4300/140приблизительно=31
3)55/140x100%=5500/140=39
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1) 42/140x100%=4200/140=30
2)43/140x100%=4300/140приблизительно=31
3)55/140x100%=5500/140=39