作业帮-0.875-(-1又1\4)+3\4+1又7\8 [2.4-（-2.7+3.5）-2.2]-（-6.7+5.4）
来源：学生作业帮助网 编辑：作业帮 时间：2024/10/05 13:04:48
![-0.875-(-1又1\4)+3\4+1又7\8 [2.4-（-2.7+3.5）-2.2]-（-6.7+5.4）](/uploads/image/z/55283-59-3.jpg?t=-0.875-%28-1%E5%8F%881%5C4%29%2B3%5C4%2B1%E5%8F%887%5C8+%5B2.4-%EF%BC%88-2.7%2B3.5%EF%BC%89-2.2%5D-%EF%BC%88-6.7%2B5.4%EF%BC%89)
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-0.875-(-1又1\4)+3\4+1又7\8 [2.4-（-2.7+3.5）-2.2]-（-6.7+5.4）
-0.875-(-1又1\4)+3\4+1又7\8 [2.4-（-2.7+3.5）-2.2]-（-6.7+5.4）
-0.875-(-1又1\4)+3\4+1又7\8 [2.4-（-2.7+3.5）-2.2]-（-6.7+5.4）
-0.875-(-1又1\4)+3\4+1又7\8
=（1又7/8-7/8）-(1又1/4-3/4)
=1-1/2
=1/2
[2.4-（-2.7+3.5）-2.2]-（-6.7+5.4）
=2.4+2.7-3.5-2.2+6.7-5.4
=5.1-5.7+6.7-5.4
=6.1-5.4
=0.7