二年级数学(上册)第三单元表内乘法课后练习题:1(苏教版)
苏教版二上同步课课练3.1认识乘法一、看图列式计算1.●●●●●●●●●●●●()+()+()=()()×()=()或()×()=()2.▲▲▲▲▲▲▲▲▲▲()+()+()+()+()=()()×()=()或()×()=()3.★★★★★★★★★★★★()×()=()或()×()=()4.◆◆◆◆◆◆◆◆◆◆()×()=()或()×()=()5.■■■■()+()+()+()=()()×()=()或()×()=()二、把加法算式改写成乘法算式。5+5+5=3+3+3=4+4=6+6+6+6+6=2+2+2+2=18+18=7+7+7=2+2+2+2=10+10+10=9+9=三、解决问题。1...
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