87:(12×(35:(2×12)))=
Let's first look at the expression in parentheses, we'll write it as a fraction:
(12×(35:(2×12)))=
12×2×1235
Now we get the expression:
87:(12×2×1235)
Let's address the expression in parentheses and move the 12 to the multiplication expression in the numerator:
87:(2×1212×35)
Let's reduce between the 12 in the numerator and denominator:
87:(235)
Let's solve the fraction expression in parentheses:
35:2=17.5
Now we get the expression:
87:17.5=17.587
Let's multiply both numerator and denominator by 2 to get whole numbers:
17.5×287×2=35174
Let's convert the 174 in the numerator to a subtraction expression:
35175−1=
Let's separate the fraction into a subtraction of fractions:
5175−351=5−351=43534
43534