addition and subtraction roller stamp, multiplication and division practice problems, math stamp for elementary school mental arithmetic and calculation, automatic problem building tool. 加减法滚轮印章乘除法练习题数学印章小学口算计算题自动出题神器

1 piece

Specifications

addition [storage box + stamp-pad ink per bottle]] 加法【收纳盒＋一瓶印油】	CN¥ 3.88
subtraction [storage box + stamp-pad ink per bottle]] 减法【收纳盒＋一瓶印油】	CN¥ 3.88
multiplication [storage box + stamp-pad ink per bottle]] 乘法【收纳盒＋一瓶印油】	CN¥ 3.88
division [storage box + stamp-pad ink per bottle]] 除法【收纳盒＋一瓶印油】	CN¥ 3.88
plus or minus fill-in questions [storage box + a bottle of stamp-pad ink]] 加减填空题【收纳盒＋一瓶印油】	CN¥ 3.88
stamp-pad ink bottles separately 单独印油一瓶	CN¥ 1.0
addition stamp + subtraction stamp (with two bottles of ink) [pearlized bag packaging] 加法印章＋减法印章（油墨两瓶）【珠光袋装】	CN¥ 7.94
multiplication stamp + division stamp (with two bottles of ink) [pearlescent bagged] 乘法印章＋除法印章（油墨两瓶）【珠光袋装】	CN¥ 7.94
addition, subtraction, multiplication, and division stamp set (4 stamps +4 bottles of stamp-pad ink) [pearlescent bagged] 加减乘除印章（4个印章＋4瓶印油）【珠光袋装】	CN¥ 15.88