六年级数学计算能力竞赛试题
(时间:60分钟 总分100分)
一、口算(每题0.5分,共20分)
1121161
+ = 6÷ = × = ÷ = 41034107311123541 ÷ = ÷ = × = × = 41025537423192
+0.6 = 25×0.4 = × = × = 54359
584125÷15= ÷6= ÷= ×= 89563631425360×= 4÷= ÷= ×=
5127512423144×8= ÷8= ×1.5= -=
523556×
59455= ?= 5?= 3.6×=
12109471152576?? ?= ÷= 18÷=
612735831111141= ?? -= ??
23124552 60×
343411 × ÷ × = (1?)?= 4545224411(-)×18= ×20- ×15 =
5536二、计算下面各题(每题2分,共30分) 630 ÷ 18×24 (
5400-2940÷28×27
13421431-)÷ ÷(-)
25463053 (20.2×0.4+7.88)÷4.2
9917131-(+)× ( + ÷3)×
2420
(495-14)×611÷20
(
41775?4)÷3+10
[1-(25+720)]÷3
89 × [ 1516 +(71116 - 4 )÷2 ]
2010657 + 27 ×( 23 — 12 ) 47×[58÷(712-14)]
÷[(2133-2)×5]
10÷[83-(513÷526-2)] 三、用简便方法计算。(每题2分,共30分)
8193575793 + + + 16 — — --÷ 174174121281652
1313233488-(-)+ ×36 ×8+ 1515553599
23311112×(+-) 3.12×+×6.88 0.4×58+42×
554635
4861 (×0.25)×(0.7×4) ×1.25×3.2 (+)×7×9 7479
5.5?24?24?11575?24 (+-)÷
2468122
(3.3×6.3×0.6)÷(2.1×1.1×0.2)