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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)
11164811
+ = 3.5+6 = 2― = ― = ― = 1242751512 ―25 = 0.2―16 = 0.3+13 = 34 ×4= 316 ×49 = 15×123 = 724 ×34 = 0÷35 = 25 ÷12 = 518 ÷123 = 89 ÷3528 = 8 ÷3 = 12∏= 0.4 ×3.14= 0.92
= 2.5×3.4= 二、脱式计算,能简算的要简算。(每题4分,共40分)
14 ×125×1125 ×8 (111
2 +3 +6 )×24
37 ×(42315125 -3 )÷15 3 8 ÷7 +3 8 ÷7
7 56 +8.9+2 1
6
+6.1 0.36×101 45 56 ×8
15 = 24÷3
4 = 9+29 = 28÷23
=
20 - (5.6 + 4.8)÷1.3 3.2×(2.15 + 1.95÷6.5)
(4 +
154)÷73 + 910
三、解方程(每题5分,共35分)
10×=825
×3
=18×15
4
4—3 ×9 = 29
36×(14 + 11
6
-3) 33÷ =11
20
×1×33
5
=4 12 + 1
6
= 4
313 + =
844
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