资料简介
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
12 +1
4 = 3.5+61
2 = 2―6
7 = 4
5 ― 8
15 = 1
4 ―1
5 =
1
2 ―2
5 = 0.2―1
6 = 0.3+1
3 = 3
4 ×4= 5
6 × 8
15 =
3
16 ×4
9 = 15×12
3 = 7
24 ×3
4 = 0÷3
5 = 24÷3
4 =
2
5 ÷1
2 = 5
18 ÷12
3 = 8
9 ÷3
8 = 5
8 ÷2
3 = 9+2
9 =
12∏= 0.4 ×3.14= 0.92 = 2.5×3.4= 28÷2
3 =
二、脱式计算,能简算的要简算。(每题 4 分,共 40 分)
1
4 ×125× 1
125 ×8 (1
2 +1
3 +1
6 )×24
3
7 ×(4
5 -2
3 )÷ 3
15 3 1
8 ÷5
7 +3 1
8 ÷2
7
7 5
6 +8.9+2 1
6 +6.1 0.36×101
20 - (5.6 + 4.8)÷1.3 3.2×(2.15 + 1.95÷6.5)
(
5
4 +
4
1 )÷
3
7 +
10
9 36×(
4
1 +
6
1 -
3
1 )
三、解方程(每题 5 分,共 35 分)
10×x=
25
8 33÷x =
20
11
x×
5
3 =18×
4
1 x ×
3
1 ×
5
3 =4
4x—3 ×9 = 29 2
1 x + 6
1 x = 4
4
3 x + 4
1 = 8
3
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