Question

5/7+ {1/7÷2/5+[2/7-3/4+13/4+(5/3×7/6)]-4/7}

Answer 1

0,7+{0,14÷0,4+[0,28-0,75+5,64+(1,66×1,16)]-0,57}=

0,7+{0,14÷0,4+[0,28-0,75+5,64+1,92]}=

0,7+{0,14÷0,4+5,64}=

0,7+5,42=

6,12=

El resultado es: 6,12.