分班考分数四则混合运算真题练习卷(专项突破)-小学数学六年级下册苏教版
展开分班考分数四则混合运算真题练习卷(专项突破)-小学数学六年级下册苏教版
一.计算题(共20小题)
1.(2022•桑植县期末)计算,怎样简便怎样计算.
+﹣
+++
+(﹣)
﹣+﹣
2.(2022•临湘市期中)计算下面各题,能简算的要简算。
÷(+) | ×8+÷ | 72×(+﹣) |
3.(2022春•邓州市期中)脱式计算,能简算的要简算。
(+﹣)÷ | (+)×9×11 | ×[﹣(﹣0.25)] | 1.2×85+16÷﹣120% |
4.(2022春•邓州市期中)用简便方法计算下面各题
18××
×25××
(﹣)×21
×+×
×11﹣
×(×﹣)
5.(2022•宁南县期末)脱式计算,能简算的要简算。
÷0.375× | ÷5+5÷ | [×(﹣)]÷ |
86× | 14×34×÷ | 0.8×6.5+250×80%+43.5× |
6.(2022•望城区期末)脱式计算(能简算的要简算)。
÷(1﹣×) | 47× | ×+÷ |
7.(2021秋•会宁县期末)能简算的就简算.
×÷×
24×(+﹣)
×25%+75%÷
4﹣÷﹣
8.(2021秋•娄星区期末)用简便方法计算。
﹣×
×(×)
9.用你喜欢的方法计算.
(+)÷
72×(+﹣)
×﹣×
10.(2021秋•虎林市校级期中)能简算的要简算。
①(+)×48 | ②×+÷6 | ③×÷ |
11.(2021秋•洛阳期中)怎样简算就怎样算.
12.计算下面各题,能简便计算的要简便计算。
÷(+)÷ | (﹣×)÷ | ﹣﹣÷ |
13.(2022•淮滨县)选择合适的方法计算。
(1)﹣+﹣ | (2)(+﹣)×30 |
(3)×101﹣0.75 | (4)2﹣÷﹣ |
14.(2021•兰山区)计算下列各题,能简算的要简算。
3.6+2.8+6.4+7.2 | ()×72 |
2.5×32×0.125 | () |
15.(2022春•马尾区期中)用递等式计算。(能简算的要简算)
(+)÷﹣ | ÷[(﹣)×] | 36×(﹣+) |
16.(2022•桥西区)(2﹣+)÷2×﹣
17.(2022•科左中旗一模)计算下面各题,能简算的一定要简算。
450÷18×253.7×99 | 1﹣[+(﹣)] | ×+÷ |
18.(2022春•六盘水期中)怎样简便就怎样算。
2﹣÷﹣ | 2022× |
123×5.67+87.7%×5670 | 9+99+999+9999 |
19.(2021秋•巴马县期末)灵活计算下面各题。
25×12.5%×16 | (1﹣×)÷ |
30×(+﹣) | ÷(3﹣﹣) |
20.(2022春•浚县校级期中)计算下面各题,能简算的要简算。
4.5×80%+80%×5.5+ | |
分班考分数四则混合运算真题练习卷(专项突破)-小学数学六年级下册苏教版
参考答案与试题解析
一.计算题(共20小题)
1.【解答】解:(1)+﹣
=﹣
=
(2)+++
=(+)+(+)
=2+1
=3
(3)+(﹣)
=+
=
(4)﹣+﹣
=(+)﹣(+)
=1﹣1
=0
2.【解答】解:(1)÷(+)
=÷
=
(2)×8+÷
=×8+×8
=(+)×8
=1×8
=8
(3)72×(+﹣)
=72×+72×﹣72×
=63+30﹣40
=53
3.【解答】解:(1)(+﹣)÷
=(+﹣)×24
=×24+×24﹣×24
=21+56﹣20
=77﹣20
=57
(2)(+)×9×11
=×9×11+×9×11
=11+18
=29
(3)×[﹣(﹣0.25)]
=×[﹣(﹣)]
=×[﹣]
=×
=
(4)1.2×85+16÷﹣120%
=1.2×85+16×1.2﹣1.2×1
=1.2×(85+16﹣1)
=1.2×100
=120
4.【解答】解:(1)18××
=18××
=2×
=
(2)×25××
=(×)×(×25)
=×1
=
(3)(﹣)×21
=×21﹣×21
=18﹣2
=16
(4)×+×
=(+)×
=1×
=
(5)×11﹣
=×(11﹣1)
=×10
=
(6)×(×﹣)
=×(﹣)
=×﹣×
=﹣
=
5.【解答】解:(1)÷0.375×
=2×
=
(2)÷5+5÷
=+9
=9
(3)[×(﹣)]÷
=[×]÷
=×
=
(4)86×
=(85+1)×
=85×+
=84+
=84
(5)14×34×÷
=14×34××
=(14×)×(34×)
=2×4
=8
(6)0.8×6.5+250×80%+43.5×
=0.8×(6.5+250+43.5)
=0.8×300
=240
6.【解答】解:(1)÷(1﹣×)
=÷(1﹣)
=÷
=
(2)47×
=(46+1)×
=46×+
=11+
=11
(3)×+÷
=×(+)
=×1
=
7.【解答】解:(1)×÷×
=×××
=(×)×(×)
=1×
=
(2)24×(+﹣)
=24×+24×﹣24×
=4+6﹣8
=10﹣8
=2
(3)×25%+75%÷
=×25%+75%×
=×(25%+75%)
=×1
=
(4)4﹣÷﹣
=4﹣﹣
=4﹣(+)
=4﹣1
=3
8.【解答】解:(1)﹣×
=(1﹣)×
=×
=
(2)×(×)
=××
=×(×)
=×
=
9.【解答】解:①(+)÷
=(+)×
=××
=
=
②72×(+﹣)
=72×+72×﹣72×
=56+54﹣60
=110﹣60
=50
③×﹣×
=×()
=×1
=
10.【解答】解:①(+)×48
=×48+×48
=40+18
=58
②×+÷6
=×+×
=×(+)
=×
=
③×÷
=××
=××
=×
=
11.【解答】解:(1)
=×﹣×
=(﹣)×
=2×
=
(2)
=×72+×72
=60+42
=102
(3)
=×(59+1)
=×60
=35
12.【解答】解:(1)÷(+)÷
=÷÷
=÷
=
(2)(﹣×)÷
=(﹣)÷
=÷
=
(3)﹣﹣÷
=﹣﹣
=﹣(+)
=﹣1
=
13.【解答】解:(1)﹣+﹣
=+﹣﹣
=(+)﹣(+)
=1﹣
=
(2)(+﹣)×30
=×30+×30﹣×30
=12+5﹣4
=17﹣4
=13
(3)×101﹣0.75
=×(101﹣1)
=×100
=75
(4)2﹣÷﹣
=2﹣﹣
=2﹣()
=2﹣2
=0
14.【解答】解:(1)3.6+2.8+6.4+7.2
=(3.6+6.4)+(2.8+7.2)
=10+10
=20
(2)()×72
=×72+×72﹣×72
=32+60﹣18
=74
(3)2.5×32×0.125
=2.5×(4×8)×0.125
=(2.5×4)×(8×0.125)
=10×1
=10
(4)()
=
=
=
15.【解答】解:(1)(+)÷﹣
=÷﹣
=﹣
=
(2)÷[(﹣)×]
=÷[×]
=÷
=2
(3)36×(﹣+)
=36×﹣36×+36×
=27﹣8+21
=40
16.【解答】解:(2﹣+)÷2×﹣
=(+)÷2×﹣
=÷×﹣
=×﹣
=﹣
=1
17.【解答】解:(1)450÷18×25
=25×25
=625
(2)3.7×99
=3.7×(100﹣1)
=3.7×100﹣3.7
=370﹣3.7
=366.3
(3)1﹣[+(﹣)]
=1﹣[+]
=1﹣
=
(4)×+÷
=×+×
=(+)×
=
18.【解答】解:(1)2﹣÷﹣
=2﹣﹣
=2﹣(+)
=2﹣2
=0.
(2)2022×
=(2021+1)×
=2021×+
=5+
=5
(3)123×5.67+87.7%×5670
=123×5.67+877×5.67
=(123+877)×5.67
=1000×5.67
=5670
(4)9+99+999+9999
=(10﹣)+(100﹣)+(1000﹣)+(10000﹣)
=(10+100+1000+10000)﹣(+++)
=11110﹣1
=11109
19.【解答】解:(1)25×12.5%×16
=(25×4)×(12.5%×4)
=100×0.5
=50
(2)(1﹣×)÷
=(1﹣)÷
=÷
=
(3)30×(+﹣)
=30×+30×﹣30×
=5+4﹣6
=3
(4)÷(3﹣﹣)
=÷[3﹣(+)]
=÷(3﹣1)
=÷2
=
20.【解答】解:(1)4.5×80%+80%×5.5+
=(4.5+5.5)×80%+
=10×80%+
=8+
=8
(2)÷+×
=×+×
=(+)×
=1×
=
(3)51×(+)
=51×+51×
=17+6
=23
(4)+(+)×
=+×
=+
=1
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