六年级数学口算练习题-= -= -= += -= +=×7= += ×= -= -= 1-= += ×7= 10×= 5×400= ×0= += ×= 187÷1000= 5×= 1+= ×8= ×10= 75÷10= ÷= ×7= ×8= ×2= ×100=×4= ×4= 4×= 430-250= += 7200÷800= += 17×300= += 600×700= += += 六年级数学口算练习题670+250= += = 8500÷500= += 25×100= 2+= 380-290= += += 3500÷70= +3= +=7500÷250= +1= 450+780= += 3+= 630÷9= = 330×9= += = +=+= +4= = += += += 23×100= 480÷40= ÷100= += 125×80= ÷10= += 70×12= ×100= ×10= 10+= = ×1000= += += ×100= 63÷100= +=80÷1000= += 30×100= += += 5+= = += += += += = += += 8×= += -= ×= ÷= ÷4= ×= ×8= -= += ×8=×= ×1000= ×=÷7= 0÷= ×6= 0×= ×5= ×4= 8×= 5×= ×8= += ×9= ×8= -= += 1×= ×9= ×6= 8×= 4×= ×12= 6×= ×6= 3×= ×15= ×8= ×2= ×5= ×16= ×6= 14×= 2×= ×6= ×8= ×4= ×2= 8×= 15×= ×9= 8×=7×= ×6= ×4= ×25= ×6=×= ×= 0×= ×= ×= ×4= ×= 5×= ×= ×= -=×= += ×=÷26= += ×11-= ××8= 10-= ++= 18×(++)= ―+= ×