Сколько будет 50*2-58:14+21:12

50·2-58:14+21:12 1) 50·2=100 2) 58:14=[latex] \frac{58}{14} [/latex]= [latex]4 \frac{2}{14} [/latex] 3) 21:12=[latex] \frac{21}{12} [/latex]= [latex]1 \frac{9}{12} [/latex] 4) 100-[latex]4 \frac{2}{14} = 99 \frac{14}{14} - 4 \frac{2}{14} = 95 \frac{12}{14} [/latex] 5) 95[latex] \frac{12}{14} + 1 \frac{9}{12} = 95 \frac{72}{84} + 1 \frac{63}{84} = 96 \frac{135}{84} = 97 \frac{51}{84} [/latex] Ответ: [latex]97 \frac{51}{84} [/latex] :-)