六年级数学竞赛试题一、直接得数(每题1分,共25分)+= 3.5+6= 2―= ―= ―= ―= 0.2―= 0.3+= ×4= ×= ×= 15×1= ×= 0÷= 24÷= ÷= ÷1= ÷= ÷= 9+= 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)×125××8 (++)×24 ×(-)÷ 3 ÷+3 ÷ 7 +8.9+2 +6.1 0.36×101 17×23-23×7 20 - (5.6 + 4.8)÷1.3 3.2×(2.15 + 1.95÷6.5) ( + )÷ + 36×( + -) + 99×87 42×4×25×36 5×99+5 2000÷125÷8三、解方程(每题7分,共35分) 33÷x = x=18× ×x=4 4x—3 ×9 = 29 x + x = 4。