姓名:成绩:250+170= 20×7= 2×9+14=8×6= 2000+100= 70×9= 3100+200=21×3= 22×4=50×6=312+232=2×6+78=31×2=5×9+55=12×4=220×3=22×4=90×4=200×3=41×2=5×7+29=185+215=84-6×5=4×9-16=500+40=6000+2000=50毫米=()厘米100×9=0×8+6=12×8=9×5+3=25×2=204-149=9×0+7=363-95=825+97=856-148=()×3=27()×3=27278×3≈33×8≈108×4≈213×3≈303×3≈78×8≈498×4≈53×6≈教室长9()3千米=()米9米=()分米=()厘米3000千克=()吨120秒=()分二年级学生数学口算能力检测(10分钟50道题)班级姓名得分28+20= 58–6= 66–60= 75–30=38+40= 71+23=89–8= 50+24=4+55= 96–20= 66–60=38+21=3+()=735+()=704+()=1743+()=9338–()=868–()=486×5+6= 3×4+2= 4×6+2= 6×2+4=3×5-1= 4×5-3= 6×3-2= 5×4-3=18+9–9=12–8+70=70–30+6=46+40+2=99–9–40=5+70–5=9+7+20=14–5+30=30+6+4=55–5+15=36+30+20=5+55+20=50厘米+50厘米=()厘米=()米1m=()cm50厘米()5米200厘米=()米4米60厘米=(
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