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, 201115 responses 0
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1/7

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

311,041
311,141
2/7

it is putting together of numbers?

3/7

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

4/7

add algebraically:
-53.6448
+39.2100 equals:

--14.4346
-14.4347
-14.4348
5/7

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

MCMLXXXVI
MDLXXC
MCCMLXXXVI
6/7

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

7/7

what is the radius of 387?