Question

найдите значения выражений.3)0,7•(34,1-18,4)+0,5•18,6-(9,8+1,6)•1,4

Answer 1

 P.s // дробь

Решаем по действиям:

1) 34.1=341//10

2) 18.4=184//10

3) 184//10=92//5

4) (341//10)-(92//5)=(157//10)

5) 0.7=7//10

6) (7//10)*(157//10)=(1099//100)

7) 0.5=5//10

8) 5//10=1//2

9) 18.6=186//10

10) 186//10=93//5

11) (1//2)*(93//5)=(93//10)

12) (1099//100)+(93//10)=(2029//100)