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― = ― = ― = 12427515451211358
― = 0.2― = 0.3+ = ×4= × = 25634316 ×49 = 15×123 = 724 ×334 = 0÷5 = 24 25 ÷15283522 = 18 ÷13 = 9 ÷8 = 8 ÷3 = 912∏= 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)
1114 ×125×125 ×8 (11
2 +3 +6 )×24
37 ×(45 -2315123 )÷15 3 8 ÷7 +3 8 ÷7
7 56 +8.9+2 1
6 +6.1 0.36×101
615÷3
4 = +29 = ÷23
= 1
20 - (5.6 + 4.8)÷1.3 3.2×(2.15 + 1.95÷6.5)
( + )÷ +
4179111 36×( + -)
54310
三、解方程(每题5分,共35分)
10×x
=825
x
×3=18×154
4x—3 ×9 = 29
34x + 14 = 38
4 33÷x
=1120 x
×1×335=4 12x + 16x = 4 63 2
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