来自刘锦波的问题
简便计算．①111111÷1111×3333=______②6.25×0.16+2.64×0.0625+5.2×6.25=______③12-13+14-15+16-112=______．
简便计算．
①111111÷1111×3333=______
②6.25×0.16+2.64×0.0625+5.2×6.25=______
③12-13+14-15+16-112=______．
1回答
2020-04-07 20:36