自动生成小学数学加减乘除口算题,支持10、20、100以内混合计算
When enabled, the printed sheet will also include answers
Configure the worksheet and generate a printable mental math sheet

Whirlpool Hash Generator
Generate Whirlpool hash values online for data integrity checks and signature verification.

Random Number Generator
Generate random integers or decimals within a specified range, featuring duplicate removal, sorting, and formatted output.

.htpasswd Generator
Generate user authentication password files for Apache and other servers. Supports multiple encryption algorithms including BCrypt, MD5, and SHA-1.

UUID Generator
Bulk generate unique identifiers (UUID/GUID) across multiple versions (V1-V7) for developers and system design.

Whirlpool Hash Generator
Generate Whirlpool hash values online for data integrity checks and signature verification.

Random Number Generator
Generate random integers or decimals within a specified range, featuring duplicate removal, sorting, and formatted output.

.htpasswd Generator
Generate user authentication password files for Apache and other servers. Supports multiple encryption algorithms including BCrypt, MD5, and SHA-1.

UUID Generator
Bulk generate unique identifiers (UUID/GUID) across multiple versions (V1-V7) for developers and system design.

Random Password Generator
Customize character types and length to generate strong random passwords and secure your accounts.
解决家长和老师手动出题繁琐的痛点,自动生成符合小学课程标准的口算题,支持10以内、20以内、100以内的加减乘除混合运算,并可一键导出打印PDF。
单次最多生成50题;除法运算在100以内仅生成整除算式;生成结果不包含答案;本地生成不保存用户数据。
建议根据学生年级选择适当范围:一年级适用10以内加减法,二年级适用20以内乘除法,三年级以上可挑战100以内混合运算。除法建议与乘法搭配练习巩固逆运算关系。