(25,8-3,72*(20,74/6,8-7,6/19))*0,5 пожалуйсто помогите оч оч нужно
Выражение: (25.8-3.72*(20.74/6.8-7.6/19))*0.5 Ответ: 7971//1000 Решаем по действиям:1. 20.74=2074//1002. 2074//100=1037//503. 6.8=68//104. 68//10=34//55. (1037//50)/(34//5)=(61//20)6. 7.6=76//107. 76//10=38//58. (38//5)/19=(2//5)9. (61//20)-(2//5)=(53//20)10. 3.72=372//10011. 372//100=93//2512. (93//25)*(53//20)=(4929//500)13. 25.8=258//1014. 258//10=129//515. (129//5)-(4929//500)=(7971//500)16. 0.5=5//1017. 5//10=1//218. (7971//500)*(1//2)=(7971//1000)
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