简便计算:1.36-1 2/7+2.64-5/7

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简便计算:1.36-12/7+2.64-5/7简便计算:1.36-12/7+2.64-5/7简便计算:1.36-12/7+2.64-5/71.36-12/7+2.64-5/7=1.36+2.64-(1

简便计算:1.36-1 2/7+2.64-5/7
简便计算:1.36-1 2/7+2.64-5/7

简便计算:1.36-1 2/7+2.64-5/7
1.36-1 2/7+2.64-5/7
=1.36+2.64-(1又2/7+5/7)
=4-2
=2

简便计算:1.36-1 2/7+2.64-5/7
答:
1.36-1 2/7+2.64-5/7
=1.36+2.64-(1又2/7+5/7)
=4-2
=2

因为1.36+2.64=4
2/7+5/7=1