小学五年级数学计算题(巧算与速算)75367说课材料

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数学计算题

一、简便计算题

12.3×4×0.25 12.96-(9.6-1.52)

85×10.1 1.2÷0.25+1.3×4

103×0.25 (4.8+6.4)÷8

35÷125 40.5÷0.81×1.05

34.5×0.03+34.5×0.97 (203.4+72.2)÷(1.3×0.2)

8×4.3×12.5 97.5÷0.39-136.7

2.5×102 86.4÷0.24×0.25

4.2÷28 11.16÷(10-0.7)

(9.6+3.2)÷0.8 (300-94.8)÷0.5

0.125×16 12.6÷[3.5-(9.8-8.7)]

3.2×5.6-11.4 0.648÷[(0.4+0.5)×0.6] 5.74×99+5.74 8.9×1.1×

4.7 4.75+3.25×2.4+7.6 2.7×

5.4×3.9

3.8×1.4+18.2÷0.7 3.6×9.85-5.46

4.8×0.25 8.05×3.4+7.6

4.7×10.2 6.58×4.5×0.9

7.63×99+7.63 2.8×0.5+1.58

6.73+2.56+1.44+3.27 8×5.2+3.8×3.8+3.8

2.37×2.5×4 (6.7+6.7+6.7+6.7) ×2.5 1.5×102 9.8×25×4

2400÷16÷0.5 32×0.25×0.125

2.8×

3.2+3.2×7.2 7.4-0.15×2.8

3.76×0.25-0.49 0.008+0.92×5-1.28

0.25×4.78×4 7.8÷(1.3×4)

0.65×201 7.2×0.9+0.01×7.2

1.2×

2.5+0.8×2.5 8.6×10.1

2.5×7.1×4 5.6×(12.5-8.5 ÷0.85)

16.12×99+16.12 [(8.1-5.6) ×0.9-1] ×0.4 5.2×0.9+0.9 8.25×4.08+0.75×4.08+4.08

4.3×50×0.2 4.32+

5.43+

6.68

64-2.64×0.5 15.17-6.8-3.2

26×15.7+15.7×24 12.75-(2.75+6.8)

(2.275 +0.625)×0.28 1.27+3.9+0.73+16.1

3.94+3

4.3×0.2 12.8-4.9-

5.1

1.2×(9.6÷

2.4)÷4.8 6.75-(0.9+

3.75)

8.9×1.1×4.7 1.34+1.8+3.66+0.2

2.7×5.4×

3.9 0.96-0.28+0.04-0.72

3.6×9.85-5.46 12.78-(

4.97+2.78)

8.05×3.4+7.6 31.7-0.5×0.7-1.65 6.58×4.5×0.9 35.72- 4.9-(5.72+5.1)

2.8×0.5+1.58 111-

3.67×2.8-3.67×7.2 32+

4.9-0.9 12.5×6.3+27×1.25+0.125÷0.01 4.8-4.8×0.5 3.1+2

5.78+

6.9

(1.25-0.125)×8 15.25+4.72+4.75+5.28

4.8×100.1 34.82-(4.82+1

5.2)

56.5×99+56.5 7.28+0.94+2.72+0.06 7.09×10.8-0.8×7.09 7.84+0.73—0.84 4.85 + 0.35 ÷1.4 6.3×99+6.3

8.7 ×17.4 - 8.7 ×7.4 15.7—4.3—5.7 12.5×0.4×2.5×8 1.6+0.4—1.6+0.4

0.87×3.16+4.64 62.8÷2.5÷0.4

9.5×101 7.3×99

0.68 ÷(5.2 -3.5)×1.25 (1.25+2.5) ×8

40.5 ÷0.81 ×0.18 9.42×10—94.2×0.9

4.8 ×(15 ÷2.4) 1.8×2.48+1.52×1.8-0.5

2.13.×0.×8257 8.76+0.4×3.6×2.5+1.24

6.81+6.81×99 6.5×(10-3.7)+2.98

0.25×185×40 [4.75+8.4÷(9.2-6.8)]×40 4.4×0.8-3.4×0.8 19.8-0.6×0.6-0.64

(9.37+9.37+9.37+9.37)×2.5 0.125×7.9×16

4.2.×1.+1.×1.75 2.48×(7.3-5.8)+1.5×7.52

2.37×6.3+2.37×

3.7 12.773-[

4.5×(0.75-0.356)+9.23]

2.5×1.25×0.32 (6.4+0.88)÷0.8+

3.2×1.25

3.8×10.1

24-[5.4+(0.63+1.29÷0.23)]

2.5×(

3.8×0.04)

2.18+4.65+7.82+5.35+12.5

7.69×101 15.84-2.17-3.83

(25+2.5+0.25)×4 3.8×10.1

0.25×39+0.25

(35.2×45.6+45.6×63.8+45.6

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