13. 16 = 1 1
14.
10 1 = 21
15
15
2
2
(para 1-18)
(para 1-21)
15.
8 x 2 = 16 = 5 1
16.
4 x 3 = 12 = 1 1
1 3
3
3
1 8
8
2
(para 1-24)
(para 1-24)
17.
3 x 4 = 12 = 3
18.
2 x 1 1 = 2 x3 = 6 = 3
8 5 40 10
2 1 2 2
(para 1-23)
(para 1-24)
20. 10 : 1 1 = 10 x 2 = 20 =6 2
19. 10 1x3 1 = 21x13 = 273 = 34 1
2 4 2 4
8
8
2
1
3
3
3
(para 1-25)
(para 1-26)
21. 2 : 3 = 2 x 4 = 8
22.
1.985 = 1.99
3 4 3 3 9
50.5.)100.2.500
(para 1-26)
50 5
49 7 5
45 4 5
4 3 00
4 0 40
2 600
2 525
75 (para 1-31)
23.
9.181 = 9.18
24.
2 03.125 = 203.13
3.3.)30.3.000
0.32.)65.00.000
64
29 7
10
60
0
33
1 00
2 70
96
2 64
40
60
32
33
80
27
64
160
(para 1-31)
160 (para 1-31)
MD0904
1-52