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3. 10,000 + 2,000 + 100 12,100
400,000 + 50,000 + 4,000 + 100 + 0 + 4 454,104

30,000 + 3,000 + 100 + 40 + 1 33,141

400,000 + 90,000 + 9,000 + 300 + 40 + 5 599,345
ตอบ 599,345

4. 1,000,000 + 100,000 + 50,000 + 2,000 + 100 + 10 + 3 1,152,113

2,000,000 + 100,000 + 10,000 + 2,000 + 400 + 20 + 1 2,112,421
1,000,000 + 300,000 + 20,000 + 0 + 200 + 60 + 0 1,320,260

3,000,000 + 500,000 + 80,000 + 4,000 + 700 + 90 + 4 3,584,794

ตอบ 3,584,794

แบบฝกหัดที่ 11 (ก)

1. 50,000 + 4,000 + 600 + 20 + 3 + 90,000 + 3,000 + 500 + 40 + 5

= 100,000 +40,000 + 8,000 + 100 + 60 + 8
= 148,168

2. (800,000 + 70,000 + 1,000 + 400 + 90 + 6 ) + ( 200,000 + 40,000 + 7,000 + 300 + 8)

= 1,000,000 + 100,000 + 10,000 + 8,000 + 800 + 4
= 1,118,804

แบบฝกหัดที่ 11 (ข)
1. 3,000,000 + 400,000 + 80,000 + 6,000 + 800 + 0 +1 3,486,801

1,000,000 + 600,000 + 70,000 + 0 + 500 + 20 + 8 1,670,528

5,000,000 + 100,000 + 50,000 + 7,000 + 300 + 20 + 9 5,157,329
ตอบ 5,157,329

2. 500,000 +80,000 + 4,000 + 100 +60 + 9 584,169

900,000+50,000 + 8,000 + 700 + 80 + 2 958,782
300,000+20,000 + 1,000 + 400 + 50 + 6 321,456

1,000,000 + 800,000 + 60,000 + 4,000 + 400 + 0 + 7 1,864,407

ตอบ 1,864,407