五年级口算题+竖式题+脱式题
of rural drinking water sources, protection of drinking water sources in rural areas by the end .8÷
÷
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
÷
÷=
×11=
÷9=
+=
×5=
÷=
×6=
÷=
187÷100=
+=
1÷4=
×=
×=
÷=
×5=
÷=
÷=
+=
15÷=
×=
竖式:
÷=
15÷=
÷=
脱式:
×÷
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=
+=
×6=
×6=
×20=
÷5=
-=
÷=
÷=
+=
3÷4
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