六年级数学上册口算题.doc

复****五年级数学口算练****一
-= -= += -= += -= -= += -= 1-= += 5×400= += 187÷1000= 1+=
×10= 75÷10= ÷= ×7= ×7= ×8=
×8= ×2= 5×= ×= ×= ×0= 10×= ×7= ×100=
复****五年级数学口算练****二
×4= ×4= 4×=
430-250= += -= 7200÷800= += -=
17×300= -= += 600×700= += +=
670+250= += -6=
8500÷500= -= +=
25×100= -= 2+=
380-290= += += 3500÷70= +3= +=
复****五年级数学口算练****三
7500÷250= +1= -=
450+780= += 3+= 630÷9= -= -5=
330×9= -= -=
+= 1-= +=
+= +4= 4-=
+= += +=
23×100= -= 480÷40=
÷100= += 125×80= ÷10= += 70×12=
复****五年级数学口算练****四
×100= -= -=
×10= 10+= 1-= ×1000= += += ×100= -= -=
63÷100= -= +=
80÷1000= += -= 30×100= -= += += 5+= 1-= += += += += 1-= +=
六年级数学上册分数乘整数口算练****一
÷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×=

六年级数学上册分数乘法口算练****二
×6= ×8= ×4= ×2= 8×= 15×= ×9= 8×= 7×= ×6= ×4= (+)×(-)= (+)×24=
+= = ()×30=
×25= ×6= ×25+12× ×32× 5-
= = =
= = =
45×101= ×6=
= =
六年级数学上册口算练****三
270÷18= -+= ×=
18×(++)= ―(+)= += ÷= += (+)×12= ×==
××8= 10-= ++=
-= -+= ×=
÷26= += ×11-=
×= ×= 0×= ×= ×= 0×= ×= ×4=
×= 5×= ×= ×=
六年级数学上册分数乘法口算练****四
×2= ×13= ×= ×3= 36×= ×= 5÷6= ×5= ×18= ×= 26×= ×2=
×= ×= 24×= ×= += ×= ×8= += ×15= ×= ×1000= ×=
六年级数学上册分数乘法口算练****五
+= ×= 14×= 1×= ×5= ×27=
×4= 3-= -= ×3= -= ×8= +3= 6×= 0