简便计算 2.4-4.63+7.6-5.47 6/17÷5+1/5×11/17 20×(4/5简便计算 2.4-4.63+7.6-5.47 6/17÷5+1/5×11/17 20×(4/5+7/10-3/4)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/10 16:59:14
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简便计算 2.4-4.63+7.6-5.47 6/17÷5+1/5×11/17 20×(4/5简便计算 2.4-4.63+7.6-5.47 6/17÷5+1/5×11/17 20×(4/5+7/10-3/4)
简便计算 2.4-4.63+7.6-5.47 6/17÷5+1/5×11/17 20×(4/5
简便计算 2.4-4.63+7.6-5.47 6/17÷5+1/5×11/17 20×(4/5+7/10-3/4)
简便计算 2.4-4.63+7.6-5.47 6/17÷5+1/5×11/17 20×(4/5简便计算 2.4-4.63+7.6-5.47 6/17÷5+1/5×11/17 20×(4/5+7/10-3/4)
简便计算 2.4-4.63+7.6-5.47
=(2.4+7.6)-(4.63+5.47)
= 10-10.1
=-0.1
6/17÷5+1/5×11/17
=1/5(6/17+11/17)
=1/5×1
=1/5
20×(4/5+7/10-3/4)
=20×4/5+20×7/10-20×3/4
=16+14-15
=15
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