4.54+2.68÷1.6-3.08 16.27-﹙5.45+6.27﹚ 4分之3×6分之7-5分之2÷3分之24.54+2.68÷1.6-3.0816.27-﹙5.45+6.27﹚4分之3×6分之7-5分之2÷3分之2210÷[3.14+4.5×﹙1.2-1.12﹚]8×9分之5×125×10分之9用简便算法做能简
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/18 00:32:02
![4.54+2.68÷1.6-3.08 16.27-﹙5.45+6.27﹚ 4分之3×6分之7-5分之2÷3分之24.54+2.68÷1.6-3.0816.27-﹙5.45+6.27﹚4分之3×6分之7-5分之2÷3分之2210÷[3.14+4.5×﹙1.2-1.12﹚]8×9分之5×125×10分之9用简便算法做能简](/uploads/image/z/556263-63-3.jpg?t=4.54%2B2.68%C3%B71.6%EF%BC%8D3.08+16.27%EF%BC%8D%EF%B9%995.45%2B6.27%EF%B9%9A+4%E5%88%86%E4%B9%8B3%C3%976%E5%88%86%E4%B9%8B7%EF%BC%8D5%E5%88%86%E4%B9%8B2%C3%B73%E5%88%86%E4%B9%8B24.54%2B2.68%C3%B71.6%EF%BC%8D3.0816.27%EF%BC%8D%EF%B9%995.45%2B6.27%EF%B9%9A4%E5%88%86%E4%B9%8B3%C3%976%E5%88%86%E4%B9%8B7%EF%BC%8D5%E5%88%86%E4%B9%8B2%C3%B73%E5%88%86%E4%B9%8B2210%C3%B7%5B3.14%2B4.5%C3%97%EF%B9%991.2-1.12%EF%B9%9A%5D8%C3%979%E5%88%86%E4%B9%8B5%C3%97125%C3%9710%E5%88%86%E4%B9%8B9%E7%94%A8%E7%AE%80%E4%BE%BF%E7%AE%97%E6%B3%95%E5%81%9A%E8%83%BD%E7%AE%80)
4.54+2.68÷1.6-3.08 16.27-﹙5.45+6.27﹚ 4分之3×6分之7-5分之2÷3分之24.54+2.68÷1.6-3.0816.27-﹙5.45+6.27﹚4分之3×6分之7-5分之2÷3分之2210÷[3.14+4.5×﹙1.2-1.12﹚]8×9分之5×125×10分之9用简便算法做能简
4.54+2.68÷1.6-3.08 16.27-﹙5.45+6.27﹚ 4分之3×6分之7-5分之2÷3分之2
4.54+2.68÷1.6-3.08
16.27-﹙5.45+6.27﹚
4分之3×6分之7-5分之2÷3分之2
210÷[3.14+4.5×﹙1.2-1.12﹚]
8×9分之5×125×10分之9
用简便算法做能简便就简便
4.54+2.68÷1.6-3.08 16.27-﹙5.45+6.27﹚ 4分之3×6分之7-5分之2÷3分之24.54+2.68÷1.6-3.0816.27-﹙5.45+6.27﹚4分之3×6分之7-5分之2÷3分之2210÷[3.14+4.5×﹙1.2-1.12﹚]8×9分之5×125×10分之9用简便算法做能简
4.54+2.68÷1.6-3.08
=4.54+1.675-3.08
=3.135
16.27-﹙5.45+6.27﹚
=16.27-6.27-5.45
=10-5.45
=4.55
4分之3×6分之7-5分之2÷3分之2
=8分之7-5分之3
=40分之11
210÷[3.14+4.5×﹙1.2-1.12﹚]
=210÷(3.14+4.5×0.08)
=210÷(3.14+0.36)
=210÷3.5
=60
8×9分之5×125×10分之9
=8×125×9分之5×10分之9
=1000×2分之1
=500
4.54+2.68÷1.6-3.08
=4.54+1.675-3.08
=3.135
16.27-﹙5.45+6.27﹚
=16.27-6.27-5.45
=10-5.45
=4.55
3/4×7/6-2/5÷(2/3)
=3/4×7/6-2/5×3/2
=7/8-3/5
=11/40
210÷[3.14+4....
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4.54+2.68÷1.6-3.08
=4.54+1.675-3.08
=3.135
16.27-﹙5.45+6.27﹚
=16.27-6.27-5.45
=10-5.45
=4.55
3/4×7/6-2/5÷(2/3)
=3/4×7/6-2/5×3/2
=7/8-3/5
=11/40
210÷[3.14+4.5×(1.2-1.12)]
=210÷[3.14+4.5×0.08]
=210÷(3.14+0.36)
=210÷3.5
=60
8×5/9×125×9/10
=(125×8)×(5/9×9/10)
=1000×1/2
=500
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