Èπª√–∂¡» ÷°…“ª ï∑’Ë Ò ‡≈ à¡∑ ’Ë...

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1 ·∫∫Ωñ°‡æ◊ËÕæ—≤π“∑—°…–°“√§‘¥‡≈¢‡√Á« ™—Èπª√–∂¡»÷°…“ªï∑’Ë Ò ‡≈à¡∑’Ë ˆ ‡√◊ËÕß °“√∫«° ≈∫√–§π ™ÿ¥∑’Ë Ò ®ßÀ“º≈≈—æ∏å °“√∫«° ≈∫√–§π Ò. Ú. Û. Ù. ı. ˆ. ˜. ¯. ˘. Ò. = = = = = = = = = = (6 + 4) + 5 (7 + 4) 3 (10 + 15) + 3 (35 + 20) 5 (11 + 22) + 33 (60 30) 20 (30 + 20) 10 (25 12) + 15 85 (20 + 14) 12 + (11 10) ‡«≈“..................∂÷ß....................«—π∑’Ë........../........../.......... 10

Transcript of Èπª√–∂¡» ÷°…“ª ï∑’Ë Ò ‡≈ à¡∑ ’Ë...

Page 1: Èπª√–∂¡» ÷°…“ª ï∑’Ë Ò ‡≈ à¡∑ ’Ë ˆ¹บบฝึกคิดเลข... · ˘. π“¬Àƒ…Æåæ—π∏ÿå ª√’™æ—π∏ÿå ºŸâ®—¥°“√Õ“«ÿ‚

1·∫∫Ωñ°‡æ◊ËÕæ—≤π“∑—°…–°“√§‘¥‡≈¢‡√Á«

™—Èπª√–∂¡»÷°…“ªï∑’Ë Ò ‡≈à¡∑’Ë ˆ‡√◊ËÕß °“√∫«° ≈∫√–§π

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(7 + 4) 3

(10 + 15) + 3

(35 + 20) 5

(11 + 22) + 33

(60 30) 20

(30 + 20) 10

(25 12) + 15

85 (20 + 14)

12 + (11 10)

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Page 2: Èπª√–∂¡» ÷°…“ª ï∑’Ë Ò ‡≈ à¡∑ ’Ë ˆ¹บบฝึกคิดเลข... · ˘. π“¬Àƒ…Æåæ—π∏ÿå ª√’™æ—π∏ÿå ºŸâ®—¥°“√Õ“«ÿ‚

2·∫∫Ωñ°‡æ◊ËÕæ—≤π“∑—°…–°“√§‘¥‡≈¢‡√Á«™—Èπª√–∂¡»÷°…“ªï∑’Ë Ò ‡≈à¡∑’Ë ˆ‡√◊ËÕß °“√∫«° ≈∫√–§π

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(7 + 3) + 6

(8 3) + 5

(13 + 12) + 4

(43 + 32) 5

(35 + 13) + 51

80 (60 40)

45 (12 + 23)

(36 14) + 46

74 (10 + 21)

42 + (24 12)

‡«≈“..................∂÷ß....................«—π∑’Ë........../........../..........10

Page 3: Èπª√–∂¡» ÷°…“ª ï∑’Ë Ò ‡≈ à¡∑ ’Ë ˆ¹บบฝึกคิดเลข... · ˘. π“¬Àƒ…Æåæ—π∏ÿå ª√’™æ—π∏ÿå ºŸâ®—¥°“√Õ“«ÿ‚

3·∫∫Ωñ°‡æ◊ËÕæ—≤π“∑—°…–°“√§‘¥‡≈¢‡√Á«

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6 + (2 + 3)

10 (8 + 2)

(12 + 14) + 4

(17 + 12) 5

42 + (30 + 15)

35 (25 15)

(41 + 13) 12

(88 12) + 10

56 (42 + 10)

30 + (26 12)

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Page 4: Èπª√–∂¡» ÷°…“ª ï∑’Ë Ò ‡≈ à¡∑ ’Ë ˆ¹บบฝึกคิดเลข... · ˘. π“¬Àƒ…Æåæ—π∏ÿå ª√’™æ—π∏ÿå ºŸâ®—¥°“√Õ“«ÿ‚

4·∫∫Ωñ°‡æ◊ËÕæ—≤π“∑—°…–°“√§‘¥‡≈¢‡√Á«™—Èπª√–∂¡»÷°…“ªï∑’Ë Ò ‡≈à¡∑’Ë ˆ‡√◊ËÕß °“√∫«° ≈∫√–§π

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(3 + 4) + 3

(6 + 4) 5

(12 + 20) + 7

(40 + 18) 3

(42 + 20) + 10

(68 10) 15

(32 + 12) 22

(56 14) + 30

88 (22 + 44)

50 + (60 40)

‡«≈“..................∂÷ß....................«—π∑’Ë........../........../..........10

Page 5: Èπª√–∂¡» ÷°…“ª ï∑’Ë Ò ‡≈ à¡∑ ’Ë ˆ¹บบฝึกคิดเลข... · ˘. π“¬Àƒ…Æåæ—π∏ÿå ª√’™æ—π∏ÿå ºŸâ®—¥°“√Õ“«ÿ‚

5·∫∫Ωñ°‡æ◊ËÕæ—≤π“∑—°…–°“√§‘¥‡≈¢‡√Á«

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(20 + 30) + 40

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(26 + 13) 19

(65 15) + 30

70 (35 + 15)

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6·∫∫Ωñ°‡æ◊ËÕæ—≤π“∑—°…–°“√§‘¥‡≈¢‡√Á«™—Èπª√–∂¡»÷°…“ªï∑’Ë Ò ‡≈à¡∑’Ë ˆ‡√◊ËÕß °“√∫«° ≈∫√–§π

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(3 + 3) + 4

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(10 + 23) + 5

(24 + 22) 6

(40 + 25) + 20

(30 10) 20

(52 + 33) 25

(45 30) + 20

34 (11 + 22)

62 + (75 40)

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Page 7: Èπª√–∂¡» ÷°…“ª ï∑’Ë Ò ‡≈ à¡∑ ’Ë ˆ¹บบฝึกคิดเลข... · ˘. π“¬Àƒ…Æåæ—π∏ÿå ª√’™æ—π∏ÿå ºŸâ®—¥°“√Õ“«ÿ‚

7·∫∫Ωñ°‡æ◊ËÕæ—≤π“∑—°…–°“√§‘¥‡≈¢‡√Á«

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2 + (3 + 2)

(4 + 4) 8

(13 + 22) + 4

(35 + 10) 5

30 + (25 + 40)

65 (35 13)

(35 + 20) 10

(34 12) + 12

60 (25 + 15)

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Page 8: Èπª√–∂¡» ÷°…“ª ï∑’Ë Ò ‡≈ à¡∑ ’Ë ˆ¹บบฝึกคิดเลข... · ˘. π“¬Àƒ…Æåæ—π∏ÿå ª√’™æ—π∏ÿå ºŸâ®—¥°“√Õ“«ÿ‚

8·∫∫Ωñ°‡æ◊ËÕæ—≤π“∑—°…–°“√§‘¥‡≈¢‡√Á«™—Èπª√–∂¡»÷°…“ªï∑’Ë Ò ‡≈à¡∑’Ë ˆ‡√◊ËÕß °“√∫«° ≈∫√–§π

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(11 + 4) + 4

(5 + 13) 8

(15 + 10) + 12

(37 13) 14

45 + (17 13)

(67 14) + 21

86 (12 + 20)

(54 + 45) 54

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Page 9: Èπª√–∂¡» ÷°…“ª ï∑’Ë Ò ‡≈ à¡∑ ’Ë ˆ¹บบฝึกคิดเลข... · ˘. π“¬Àƒ…Æåæ—π∏ÿå ª√’™æ—π∏ÿå ºŸâ®—¥°“√Õ“«ÿ‚

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(8 + 4) 7

(12 + 3) + 4

(9 + 10) 15

(16 + 10) + 11

(48 14) 14

54 + (25 11)

88 (45 25)

55 (11 + 14)

(34 + 43) 67

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Page 10: Èπª√–∂¡» ÷°…“ª ï∑’Ë Ò ‡≈ à¡∑ ’Ë ˆ¹บบฝึกคิดเลข... · ˘. π“¬Àƒ…Æåæ—π∏ÿå ª√’™æ—π∏ÿå ºŸâ®—¥°“√Õ“«ÿ‚

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(5 + 12) 8

(11 + 16) + 11

(26 16) 10

65 + (24 12)

59 (12 + 22)

77 (15 8)

(45 + 14) 23

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Page 11: Èπª√–∂¡» ÷°…“ª ï∑’Ë Ò ‡≈ à¡∑ ’Ë ˆ¹บบฝึกคิดเลข... · ˘. π“¬Àƒ…Æåæ—π∏ÿå ª√’™æ—π∏ÿå ºŸâ®—¥°“√Õ“«ÿ‚

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(6 + 9) 9

(12 + 13) + 4

(14 + 14) 6

(24 + 11) + 11

(48 12) 16

68 + (34 23)

85 (13 + 32)

88 (46 12)

(37 + 32) 45

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Page 12: Èπª√–∂¡» ÷°…“ª ï∑’Ë Ò ‡≈ à¡∑ ’Ë ˆ¹บบฝึกคิดเลข... · ˘. π“¬Àƒ…Æåæ—π∏ÿå ª√’™æ—π∏ÿå ºŸâ®—¥°“√Õ“«ÿ‚

12·∫∫Ωñ°‡æ◊ËÕæ—≤π“∑—°…–°“√§‘¥‡≈¢‡√Á«™—Èπª√–∂¡»÷°…“ªï∑’Ë Ò ‡≈à¡∑’Ë ˆ‡√◊ËÕß °“√∫«° ≈∫√–§π

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(22 + 14) + 3

(23 + 26) 23

(34 + 23) + 11

(66 22) 33

73 + (45 31)

88 (23 + 32)

96 (58 26)

(44 + 53) 32

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Page 13: Èπª√–∂¡» ÷°…“ª ï∑’Ë Ò ‡≈ à¡∑ ’Ë ˆ¹บบฝึกคิดเลข... · ˘. π“¬Àƒ…Æåæ—π∏ÿå ª√’™æ—π∏ÿå ºŸâ®—¥°“√Õ“«ÿ‚

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(32 + 42) 52

(23 + 33) + 43

(87 24) 42

76 + (77 55)

97 (54 + 21)

98 (67 24)

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Page 14: Èπª√–∂¡» ÷°…“ª ï∑’Ë Ò ‡≈ à¡∑ ’Ë ˆ¹บบฝึกคิดเลข... · ˘. π“¬Àƒ…Æåæ—π∏ÿå ª√’™æ—π∏ÿå ºŸâ®—¥°“√Õ“«ÿ‚

14·∫∫Ωñ°‡æ◊ËÕæ—≤π“∑—°…–°“√§‘¥‡≈¢‡√Á«™—Èπª√–∂¡»÷°…“ªï∑’Ë Ò ‡≈à¡∑’Ë ˆ‡√◊ËÕß °“√∫«° ≈∫√–§π

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(36 + 21) 6

(41 + 25) + 23

(69 26) 12

(52 + 27) 23

(76 24) + 35

88 (34 + 12)

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Page 15: Èπª√–∂¡» ÷°…“ª ï∑’Ë Ò ‡≈ à¡∑ ’Ë ˆ¹บบฝึกคิดเลข... · ˘. π“¬Àƒ…Æåæ—π∏ÿå ª√’™æ—π∏ÿå ºŸâ®—¥°“√Õ“«ÿ‚

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(5 + 9) 3

(34 3) + 7

(35 + 13) 4

(45 + 23) + 21

(78 32) 34

(43 + 32) 5

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89 (35 + 24)

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Page 16: Èπª√–∂¡» ÷°…“ª ï∑’Ë Ò ‡≈ à¡∑ ’Ë ˆ¹บบฝึกคิดเลข... · ˘. π“¬Àƒ…Æåæ—π∏ÿå ª√’™æ—π∏ÿå ºŸâ®—¥°“√Õ“«ÿ‚

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(5 + 3) 4

(27 5) + 6

(24 + 15) 7

(42 + 13) + 32

(99 26) 51

(54 + 23) 6

(86 52) + 34

68 (32 + 15)

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Page 22: Èπª√–∂¡» ÷°…“ª ï∑’Ë Ò ‡≈ à¡∑ ’Ë ˆ¹บบฝึกคิดเลข... · ˘. π“¬Àƒ…Æåæ—π∏ÿå ª√’™æ—π∏ÿå ºŸâ®—¥°“√Õ“«ÿ‚

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Page 23: Èπª√–∂¡» ÷°…“ª ï∑’Ë Ò ‡≈ à¡∑ ’Ë ˆ¹บบฝึกคิดเลข... · ˘. π“¬Àƒ…Æåæ—π∏ÿå ª√’™æ—π∏ÿå ºŸâ®—¥°“√Õ“«ÿ‚

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