五年级上册数学口算竞赛题

姓名：＿＿＿＿＿＿ 得分：＿＿＿＿＿＿＿＿

0.32＋0.21＝ 7.2＋2.8＝ 0.86－0.6＝ 0.58－0.41＝

1.6÷0.04= 0.24×0.5= 1.85×0.1= 1.2×0.7=

10×0.35= 100×0.36= 1000×7.8= 0.006×10000=

12.3÷10= 6.53÷100= 12÷1000= 0.16÷100=

3.6÷6= 8.4÷4= 0.64÷8= 0.6×8=

2.4÷8= 0.06÷3= 20×0.5= 1000×0.09=

0.06×0.7= 0.05×1.6= 0.5×0.05= 0.3×0.03=

0.25×4= 2.5×0.4= 1.25×0.8= 12.5×0.8=

3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=

0.3÷0.6= 0.96÷0.2= 10.5×0.1= 7.3＋0.27=

84÷0.21= 0.75÷0.25= 2.5×16= 0.108÷2=

1.02×0.2= 0.26×0.3= 8.4×0.02= 1.29×6=

0.8×0.05= 12.6÷0.03= 8.71÷0.1= 21÷0.21=

3.7÷0.01= 2÷0.25= 1.2÷0.03= 0÷1.8=

0.48÷0.04= 1.25÷2.5= 5.5＋55= 16.8÷8=

12÷5= 10÷50= 12.6÷12= 12÷24=

0.8×0.11= 0.34÷17= 8.08÷0.4= 0.5×2.2=

3.6÷0.12= 7.8÷0.6= 2÷5= 4.5＋5=

99×1.24＋1.24= 6÷0.25÷4=

0.25×1.58×4= 3.5×101－3.5=

4.5×0×250= 12.5×8×4=

9×2.4＋2.4＝ 0÷460×400=

4.2÷0.7÷6= 0.4×8.6×25=

2.5×101= 2.64＋3.85＋1.36=

6.5×101－6.5= 672-36-64=

2.33×0.5×4= 6×0.125×8=

4×1.2×0.25= 1.2×2.5+0.8×2.5=

3.29+0.73+2.27= 3.29-0.73-2.27=

7.5+2.5-7.5+2.5= 7.325-(5.325+1.7)=

16.5÷2－10.5÷2= 5.3×99+5.3=

2.32×6.5＋7.68×6.5 = 3.5÷0.6-0.5÷0.6=

3.5×99+3.5= 12.5×0.96×0.8=