小学五年级口算题.doc

小学五年级口算题
五年级数学口算练习
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
五年级数学口算练习
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
+= -=
1-= += 5×400=
+= 187÷1000=
1+=
×10=
75÷10=
÷=
×7=
×7=
×8=
×8=
×2=
5×=
×=
×=
×0=
10×=
×7=
×100=
×4=
×4=
4×=
430-250= += -=
7200÷800=
+= -=
17×300=
-=