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(9-0.6*3.2)/1.520.5-(3.64+2.8)/0.43.06/1.8*(2.41-1.91)三题简便计算(五年级上册)
题目详情
(9-0.6*3.2)/1.5 20.5-(3.64+2.8)/0.4 3.06/
【1.8*(2.41-1.91)】 三题简便计算(五年级上册)
【1.8*(2.41-1.91)】 三题简便计算(五年级上册)
▼优质解答
答案和解析
(9-0.6*3.2)/1.5
=9/1.5-0.6*3.2/1.5
=6-1.28
=4.72
20.5-(3.64+2.8)/0.4
=20.5-3.64/0.4-2.8/0.4
=20.5-9.1-7
=4.4
3.06/【1.8*(2.41-1.91)】
=3.06/【1.8*0.5】
=3.06/0.9
=3.4
=9/1.5-0.6*3.2/1.5
=6-1.28
=4.72
20.5-(3.64+2.8)/0.4
=20.5-3.64/0.4-2.8/0.4
=20.5-9.1-7
=4.4
3.06/【1.8*(2.41-1.91)】
=3.06/【1.8*0.5】
=3.06/0.9
=3.4
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