五上第五单元小数的四则混合运算第十二课时8.76+2.43+7.572.5×8+12.5×425×0.321.93+2.7+2.07+7.30.56×99+0.561.2×2.5×4（0.25+2.5+25）×0.412.5+5×8×203.5×5+8×3.5参考答案：18.7670814561211.1812.545.5系列资料www.xkb1.com

时间:2024-11-19 09:17栏目:幼儿/小学教育