-4.2+5.7-8.4+10
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-4.2+5.7-8.4+10
-4.2+5.7-8.4+10
-4.2+5.7-8.4+10
=15.7-(4.2+8.4)
=15.7-12.6=3.1
-4.2+5.7-8.4+10
-4.2+5.7-8.4.10
-4.2+5.7-8.4+10
-4.2+5.7-8.4+10
-4.2+5.7-8.4+10
-4.2+5.7-8.4+10;计算
-4.2+5.7-8.4+10=?
-4.2+5.7-8.4+10=
-4.2+5.7-8.4+10简便计算
负4.2+5.7减8.4+10
—4.2+5.7—8.4+10
-8.4+10-4.2+5.7=
-4.2+5.7-8.4+10的有理数减法,
-4.2+5.7一8.4+10(过程)
-4.2+5.7+10-8.4等于多少
-4.2+5.7-8.4+10.2
-4.2+5.7-8.4+10中的-4.2是减4.2还是负4.2
有理数的减法,简约式:-4.2+5.7-8.4+10