450.271 + 369.422  0.03 - 108.612 x 2.001  ?
"пояснение : ?  450.271 + (369.422  0.03 ) - (108.612 x 2.001 )  450 + 369 / 0.03 - (109 x 2 )  450 + 12300 - 218  12532 отговор : опция b"
add(450.271, divide(multiply(369.422, 0.03), divide(108.612, 2.001)))