(1)-4.2+5.7-8.4+10(2)-1/4+5/6+2/3-1/2(3)12-(-18)+(-7)-15(4)4.7-(-8.9)-7.5+(-6)(-1-1/2)+1-4又1/4-(-2又1/3)
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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
-4.2+5.7-8.4+10
-4.2+5.7-8.4+10
计算:(1)(-7)-9-(-3)+(-5) (2)-4.2+5.7-8.4+1计算:(1)(-7)-9-(-3)+(-5) (2)-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=
求:-4.2+5.7-8.4+10 -1/4+5/6+2/3-1/2 12-(-18)+(-7)-15 4.7-(-8.9)-7.5+(-6)的简便算法!
求解几道计算题 -4.2+5.7-8.4+10 6.1-3.7-4.9+1.8 1/3-2/3+1 (-1/4)+5/6+2/3-2/1
-4.2+5.7-8.4+10 -4.7-(-8.9)-7.5+(-6) 23-(-15)+(-7)-16 -4/1+6/5+3/2-1 初一的有里数-法
-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)