2/7+(-5/2)+(-12/7)+2.5+0.125+(-19/8)
3个回答
2/7+(-5/2)+(-12/7)+2.5+0.125+(-19/8)
=(2/7-12/7)+(0.125-19/8)+(-5/2+2.5)
=-10/7-9/4
=-103/28
相关问题
简便计算(1)1/7+7/8*5/7+3/8 (2)16*2/3*0.125*15/4 (3)19/12*3/14-3/
口算:2005-1998= 1.6×0.05= 5.7÷0.19= 0.125×0.7= 5 8 ÷ 2 3 = 2 3
(﹣3×5)^7×0.2^7-0.125^8×8^8
1.(-2 3/4)+(+12 5/7)+(-4.125)+(+0.75)+(+1/8);
2.5*3.8*0.4 6.7*4.5+4.5*13.3 2.06*0.9+2.06 0.8*[0.125+12.5+1
(-125 5/7)/(-5)-2.5+5/8*(-0.25)等于几
(-125 5/7)/(-5)-2.5+5/8*(-0.25)等于几
0.15:0.3=() 7/12:3/8=() 0.125:5/8=() 5:9=() 0.6:0.16=() 2/3:
1/12*8/9*8/4、(1/14+2/7)*7/8、19*(1/2-7/19)、4/5-1/3*3/4、26+1/5