2 3/4+0.25-(-7 1/2)+(-2 1/4)-1.5-2.75 =2.75+0.25+7.5-2.25-1.5-2.75=4
2 3/4+0.25-(-7 1/2)+(-2 1/4)-1.5-2.75 怎么解啊··················
3个回答
相关问题
-
1.(5.75-4.75)/[2.5+(0.75*1.25*8) 2.(6.9*3.6*3.5)/(1.25/0.25)
-
(1),(+1.25)+(-1/2)+(-3/4)+(+1又3/4) (2),(-0.5)-(3又1/4)+2.75-(
-
(1)(+1/2)+(-1/2)+(-6/7)(2)0.5+(-1/4)+0.75+(+1/2)(3)1/4+(+5又3
-
数学题 快来人啊2/5*7.6+0.4*0.4 9.75-5/7+1/4-2/74/9[3/4-(7/16-0.25)]
-
解方程(或比例). ① 1 4 x+0.75=2 ② 1.2 7.5 = 0.4 x ③3X÷ 3 4 = 4 5 .
-
1.-0.5-(-3又1/4)+2.75-(+7又1/2)
-
计算(1)[3/2−54+154]-0.25-3.75-4.5(2)(-5.2)+3.8-{(-1.2)-[(-0.5)
-
matlab能手进~t=[0.25 0.5 0.75 1 1.5 2 2.5 3 3.5 4 4.5 5 6 7 8 9
-
简便运算:(1)1[1/2]-1[1/4]+3[3/4]-0.25-3.75-4.5;
-
解方程 2 3 x+ 1 2 x=63 7x-25=13.5 1.2 7.5 = 0.4 x .