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