34

9

2015213

7:50 8:50 60

10 000

2.3 10 000

2.3.1 2.3.2

1. 2.

1. 10

1. 1400+ 1456=28562. =1400=14562856

3. 4.

1.

2. 20

1. 4910 + 2594=7504 2. 3. 3130 + 2640+ 400= 61704. 2

A491025947504B313026404006170

1.

3. 20

1. 62. 63. 4. 5.

A 2000+4891= 6891 ()B 5981+3400= 9381C 2025+3786= 5811D 7120+1200= 8320E 1300+3450= 4750F 2333+1200= 3533

1. 2.

4. 10

1. A1415 1293

2. 14151293

1. 2. 3.

1. 21-23