One decimeter is one meter (& nbsp; & nbsp;) (& nbsp; & nbsp;); three decimeters is one meter (& nbsp; & nbsp;) (& nbsp; & nbsp;)
1 meter = 10 decimeter, 1 △ 10 = 110, 3 △ 10 = 310; so the answer is: 110310
1 meter = 10 decimeter, 1 △ 10 = 110, 3 △ 10 = 310; so the answer is: 110310