口算.4.45+2.5= 7.9×11= 7 8 - 1 2 = 3 7 ×21= (0.25+
口算.4.45+2.5=7.9×11=78-12=37×21=(0.25+12)×8=3.4÷0.01=35÷56=1.8×4×0.5=...
口算.4.45+2.5= 7.9×11= 7 8 - 1 2 = 3 7 ×21= (0.25+ 1 2 )×8= 3.4÷0.01= 35÷ 5 6 = 1.8×4×0.5=
展开
1个回答
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询