7.09/0.52(商保留两位小数)1.36*0.27(积保留两位小数) 25.4/1.1(商用循环小数表示)用简便方法计算2.33*0.5*0.4 9.3÷0.31÷0.3 (3.2+1.2)÷0.08 3.6*2.5+7.5*3.6 9.7-22.75÷3.4 2.5*1.25*3.2
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/28 12:20:50
![7.09/0.52(商保留两位小数)1.36*0.27(积保留两位小数) 25.4/1.1(商用循环小数表示)用简便方法计算2.33*0.5*0.4 9.3÷0.31÷0.3 (3.2+1.2)÷0.08 3.6*2.5+7.5*3.6 9.7-22.75÷3.4 2.5*1.25*3.2](/uploads/image/z/10097687-47-7.jpg?t=7.09%2F0.52%EF%BC%88%E5%95%86%E4%BF%9D%E7%95%99%E4%B8%A4%E4%BD%8D%E5%B0%8F%E6%95%B0%EF%BC%891.36%2A0.27%EF%BC%88%E7%A7%AF%E4%BF%9D%E7%95%99%E4%B8%A4%E4%BD%8D%E5%B0%8F%E6%95%B0%EF%BC%89+25.4%2F1.1%EF%BC%88%E5%95%86%E7%94%A8%E5%BE%AA%E7%8E%AF%E5%B0%8F%E6%95%B0%E8%A1%A8%E7%A4%BA%EF%BC%89%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%972.33%2A0.5%2A0.4+9.3%C3%B70.31%C3%B70.3+%EF%BC%883.2%2B1.2%EF%BC%89%C3%B70.08+3.6%2A2.5%2B7.5%2A3.6+9.7-22.75%C3%B73.4+2.5%2A1.25%2A3.2)
7.09/0.52(商保留两位小数)1.36*0.27(积保留两位小数) 25.4/1.1(商用循环小数表示)用简便方法计算2.33*0.5*0.4 9.3÷0.31÷0.3 (3.2+1.2)÷0.08 3.6*2.5+7.5*3.6 9.7-22.75÷3.4 2.5*1.25*3.2
7.09/0.52(商保留两位小数)1.36*0.27(积保留两位小数) 25.4/1.1(商用循环小数表示)
用简便方法计算
2.33*0.5*0.4 9.3÷0.31÷0.3 (3.2+1.2)÷0.08 3.6*2.5+7.5*3.6 9.7-22.75÷3.4 2.5*1.25*3.2
7.09/0.52(商保留两位小数)1.36*0.27(积保留两位小数) 25.4/1.1(商用循环小数表示)用简便方法计算2.33*0.5*0.4 9.3÷0.31÷0.3 (3.2+1.2)÷0.08 3.6*2.5+7.5*3.6 9.7-22.75÷3.4 2.5*1.25*3.2
7.09/0.52=109/52≈2.10
1.36*0.27≈0.37
25.4/1.1=23.
2.33*0.5*0.4=2.33*(0.5*0.4)=2.33*0.2=0.466
9.3÷0.31÷0.3=(9.3÷0.3)÷0.31=31÷0.31=100
(3.2+1.2)÷0.08=3.2÷0.08+1.2÷0.08=40+15=55
3.6*2.5+7.5*3.6=3.6(2.5+7.5)=3.6x10=36
9.7-22.75÷3.4=(9.7x3.4-22.75)÷3.4=10.23÷3.4≈3
2.5*1.25*3.2=2.5*3.2*1.25=8*1.25=10