人教版六年级上册数学计算题专项练习竞赛题
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12 4
2 7 5 15 4 5 2 5
6 3
4
6 15
16 ×4
9 =
15×1 =
7
24 ×3 5 ÷1
3
4
×125×
125
×8
( +1 3 +1
6 +8.9+2 1
7 5
六年级第一学期计算能力竞赛( 20 分钟)
姓名:___________班级:____________分数:____________
一、直接得数(每题 1 分,共 25 分)
1 1
1
6
4 8
1 1
+ =
3.5 +6 =
2 ― =
― = ― =
1 2
1
1
3
5 8
― = 0.2 ― =
0.3 + =
× 4= × = 3
2
3 3
3 4 =
0÷5 =
24÷4 =
2
5 2
8 3
5 2
2 2 = 18 ÷1
3 = 9 ÷8 = 8 ÷ 3 = 9+9 =
2
12∏=
0.4 ×3.14=
0.92 =
2.5×
3.4=
28÷ =
二、脱式计算,能简算的要简算。(每题 4 分,共 40 分)
1
1
1 2 6 )×24
3 4 2 3
1 5 1
2 7 ×(5 -
3 )÷15
3 8 ÷7 +3 8 ÷ 7
6 +6.1
0.36×101
20 - (5.6 + 4.8)÷1.3
3.2×(2.15 + 1.95÷6.5)
( 4 + 1 )÷ 7 + 9
36×( 1 + 1 - 1 )
5
4 3 10
4
6
3
三、解方程(每题 5 分,共 35 分)
10×x =
8
25
33÷
x = 11
20
x × 3 =18× 1
5
4
4x —3 ×9 = 29
x × 1 × 3 =4
3 5
1 x + 1 x = 4
2 6
3 x + 1 = 3
4 4 8