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六年级下学期数学口算题
( 共80分,8分钟完成)
班级 姓名 得分
一、口算。(每小题1分,共60分。)
1.12×100= 4.5+0.55= 6.43+1.95= 2.5×4=
240÷40= 4×3.7×0.25= 1.8÷0.9= 1.7×25×4=
0.1×0.01= 2.8×9+2.8= 12.4+0.37= 3.7-0.07=
12.4+0.37= 840÷4= 30×(200+3)= 4.8+2.3=
3.6×0.2×1= 0.7×16-16×0.3= 0.36÷3= 6+7.8=
270+90= 3.7-0.07= 28+37= 0.72÷0.12=
0.29-0.18= 1-0.62= 45-32= 3.82+2.5+6.18=
1÷4= 0.72÷0.12= 321×2= 0.8+0.2-0.8+0.2=
4.2÷0.3= 1.25×0.8= 160×5= 2.8×9+2.8=
560÷4= 82-56= 5÷2.5= 4.6-4.6÷4.6=
1.8÷0.9= 45÷0.5÷2= 4.83-2.53= 8500×4=
1.25×0.8= 2.7-1.8-0.2= 3.6×0.2×1= 69×7=
÷4= ×= ÷= ÷=
×2= ×13= ×= 36×=
÷= ÷5= ×18= ÷=
二、巧算。(每小题2分,共20分。)
12-6.2-3.8= 8.9+3.8+1.1= 0.25×3+0.25= 12.5×9-12.5= 1.24+0.36÷6= 0.25×0.7×4= 25×3.9×0.4= 1.25×7+1.25= 5000×2.25%×80%= 3.14×1.25×0.2×4=
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