(1)-4.2+5.7—8.4+10 (2)-4/1+6/5+3/2—2/1(3)12—(-18)+(-7)—15 (4)4.7—(-8.9)—7.5+(-6)一天早晨的气温是-7℃,中午上升了11℃,半夜又下降了9℃,半夜的气温是多少?(最好有过程)食品
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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
-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
-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
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+10.2
有理数加减混合运算的题目(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)