小数乘除法脱式计算(含巧算)专项集训卷-2025-2026学年数学五年级上册人教版(含答案解析)

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小数乘除法脱式计算(含巧算)专项集训卷-2025-2026学年数学五年级上册人教版(含答案解析)

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小数乘除法脱式计算(含巧算)专项集训卷-2025-2026学年数学五年级上册人教版
1.计算下列各题,能简算的要简算,写出主要计算过程。
①0.11×1.8+8.2×0.11 ②57.6÷2.5÷4 ③78÷6.5-5.5
2.计算下面各题。
(1)10-4.2÷7 (2)(4.5+0.05)÷1.4 (3)3.17×1.6+3.17×8.4
3.脱式计算
10.9-0.9÷1.8 82.6÷4÷0.25 3.6÷0.4+1.25×5 (3.2+0.16)÷0.8
4.脱式计算,能简便计算的要简便计算。
20.4-8.6÷2.5 5.6×1.3+4.4×1.3 123.5÷1.25÷0.8
5. 递等式计算,能简算的要简算。
1.25×8÷1.25×8 1.95÷(3.58-2.8) 1.84÷0.23 +2.76÷0.23
6.能简算的要简算。
7.16×99+7.16 25.83÷(13.6-12.7)
3.2×2.5×12.5 4.9×3.2+7.8×4.9-4.9
7. 脱式计算。(能简算的可以简算)
0.25×23.6×0.4
1.3×4.2+3.7×4.2 (2-0.32×4)÷1.8
8.能简算的要简算。
9.计算下列各题,能简便的要简便计算。
3.2×10.3 8.57×11-8.57 3.25+6.75÷2.5
10.脱式计算, 能简便的要简便。
11.递等式计算。(能简算的要简算)
12. 计算下面各题,能简便的要用简便方法算。
4.37×5.3+4.37×4.7 1.7×10.1
13.怎么算简便就怎么算
1.5×105 0.8×0.25×0.4×12.5 8.2÷0.25÷4
14.脱式计算,能简便计算的要简便计算。
2.5×(4+0.4) 14.8×0.25+6.3
9.52÷3.4+7.2 3.69÷(3.69÷0.3)
15. 脱式计算(能简算的要简算)。
1.62+0.28÷4 9.76÷0.4÷2.5 0.38×7.9-0.38×6.9
16.脱式计算,能简算的要简算。
7.56-9.84÷6+0.48 0.125×3.2×2.5 62.5-62.5×1.5÷62.5×1.5
17.脱式计算,能简便计算的要简便计算。
19.97-(7.06+5.97)-2.94 2.5×12.5×1.6
27.3÷0.75÷4+1.9 4.9×7.2+61×0.72-7.2
18. 计算下面各题,能简算的要简算。
12.5×79+12.5 5.69÷0.25÷0.4 11.2÷0.8-11.84
9.6÷(96÷2.5) 16.8-6.8×0.15 10 5×3.4
答案解析部分
1.【答案】①0.11×1.8+8.2×0.11
=0.11×(1.8+8.2)
=0.11×10
=1.1
②57.6÷2.5÷4
=57.6÷(2.5×4)
=57.6÷10
=5.76
③78÷6.5-5.5
=12-5.5
=6.5
2.【答案】(1)10-4.2÷7
=10-0.6
=9.4
(2)(4.5+0.05)÷1.4
=4.55÷1.4
=3.25
(3)3.17×1.6+3.17×8.4
=3.17×(1.6+8.4)
=3.17×10
=31.7
3.【答案】解:10.9-0.9÷1.8
=10.9-0.5
=10.4
82.6÷4÷0.25
=82.6÷(4×0.25)
=82.6÷1
=82.6
3.6÷0.4+1.25×5
=9+6.25
=15.25
(3.2+0.16)÷0.8
=3.36÷0.8
=4.2
4.【答案】16.96;13;123.5
5.【答案】解:1.25×8÷1.25×8
=(1.25÷1.25)×(8×8)
=1×64
=64
1.95÷(3.58-2.8)
=1.95÷0.78
=2.5
1.84÷0.23 +2.76÷0.23
=(1.84+2.76)÷0.23
=4.6÷0.23
=20
6.【答案】解:7.16×99+7.16
=7.16×(99+1)
=7.16×100
=716
25.83÷(13.6-12.7)
=25.83÷0.9
=28.7
3.2×2.5×12.5
=4×0.8×2.5×12.5
=4×2.5×(0.8×12.5)
=10×10
=100
4.9×3.2+7.8×4.9-4.9
=4.9×(3.2+7.8-1)
=4.9×10
=49
7.【答案】解:126÷35×0.7
=3.6×0.7
=2.52
0.25×23.6×0.4
=0.25×0.4×23.6
=0.1×23.6
=2.36
1.3×4.2+3.7×4.2
=(1.3+3.7)×4.2
=5×4.2
=21
(2-0.32×4)÷1.8
=(2-1.28)÷1.8
=0.72÷1.8
=0.4
8.【答案】=












9.【答案】解:3.2×10.3
=3.2×(10+0.3)
=3.2×10+3.2×0.3
=32+0.96
=32.96
8.57×11-8.57
=8.57×11-8.57×1
=8.57×(11-1)
=8.57×10
=85.7
3.25+6.75÷2.5
=3.25+2.7
=5.95
10.【答案】解:
=1.2×5÷1.5
=6÷1.5
=4
=
=4.65÷1
=4.65
=
=1×5.2
=5.2
=1.428-0.04
=1.388
11.【答案】解:1.35×2.5+2.65×2.5
=(1.35+2.65)×2.5
=4×2.5
=10
17.2+72.8÷5.6
=17.2+13
=30.2
36.5÷2.5÷4
=36.5÷(2.5×4)
=36.5÷10
=3.65
32×2.5×1.25
=(4×2.5)×(8×1.25)
=10×10
=100
12.【答案】解:2.05÷0.82+33.6
=2.5+33.6
=36.1
4.37×5.3+4.37×4.7
=4.37×(5.3+4.7)
=4.37×10
=43.7
1.7×10.1
=1.7×(10+0.1)
=1.7×10+1.7×0.1
=17+0.17
=17.17
13.【答案】解:1.5×105
=1×105+0.5×105
=105+52.5
=157.5
14.【答案】2.5×(4+0.4)
=2.5×4+2.5×0.4
=10+1
=11
14.8×0.25+6.3
=3.7+6.3
=10
9.52÷3.4+7.2
=2.8+7.2
=10
3.69÷(3.69÷0.3)
=3.69÷3.69×0.3
=1×0.3
=0.3
15.【答案】解:1.62+0.28÷4
=1.62+0.07
=1.69
9.76÷0.4÷2.5
=9.76÷(0.25×4)
=9.76÷1
=9.76
0.38×7.9-0.38×6.9
=0.38×(7.9-6.9)
=0.38×1
=0.38
16.【答案】解:7.56-9.84÷6+0.48
=7.56-1.64+0.48
=5.92+0.48
=6.4
0.125×3.2×2.5
=(0.125×8)×(0.4×2.5)
=1×1
=1
62.5-62.5×1.5÷62.5×1.5
=62.5-62.5÷62.5×1.5×1.5
=62.5-62.5÷62.5×(1.5×1.5)
=62.5-1×2.25
=62.5-2.25
=60.25
17.【答案】解:19.97-(7.06+5.97)-2.94
=19.97-5.97-(7.06+2.94)
=19.97-5.97-10
=14-10
=4
2.5×12.5×1.6
=2.5×12.5×0.8×2
=(2.5×2)×(12.5×0.8)
=5×10
=50
27.3÷0.75÷4+1.9
=27.3÷(0.75×4)+1.9
=27.3÷3+1.9
=9.1+1.9
=11
4.9×7.2+61×0.72-7.2
=4.9×7.2+6.1×7.2-7.2
=(4.9+6.1-1)×7.2
=10×7.2
=72
18.【答案】解:12.5×79+12.5
=12.5×(79+1)
=12.5×80
=1000
5.69÷0.25÷0.4
=5.69÷(0.25×0.4)
=5.69÷0.1
=56.9
11.2÷0.8-11.84
=14-11.84
=2.16
9.6÷(96÷2.5)
=9.6÷96×2.5
=0.1×2.5
=0.25
16.8-6.8×0.15
=16.8-1.02
=15.78
105×3.4
=100×3.4+5×3.4
=340+17
=357
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