math quiz (1)

are you a mathematician?try to solve some math question without using any math devices.i hope you to pass this

published on May 10, 2011101 responses 0 2.3★ / 5

what is the difference in 965,526-654,385?

311,041
311,141

it is putting together of numbers?

it is a branch of mathematics that deals with shapes and sizes.

add algebraically:
-53.6448
+39.2100 equals:

--14.4346
-14.4347
-14.4348

i was born on year 1986.what is roman numeral of 1986?

MCMLXXXVI
MDLXXC
MCCMLXXXVI

Gina bought 1548 marbles with 4 boxes.how many marbles are there to place in the boxes

what is the radius of 387?