(1)2.75-【-1/2+5/6-(3/8-3/14)】=?
4个回答
1答案为2又79/168.
2答案为27/40
3答案为-10/21
4题答案为-1又13/24
相关问题
一道计算题,2.75-[-1/2+5/6-(3/8-14/3)]
6.75-(-1/2)+(-14/3)+(-0.5)+(-6又3/4)
1.(5.75-4.75)/[2.5+(0.75*1.25*8) 2.(6.9*3.6*3.5)/(1.25/0.25)
2.75-(-1/2)+(-5/6)-(-3/8)+4又1/3
1.75-(-3/8)+(0.5)-(-5/6) +4又2/3)-1/8
直接写出得数.14× 2 7 = 9÷ 3 4 = 5 6 - 1 2 = 1 6 + 3 5 = 1 3 ×75%=
=3.14*(7.8+2*1.1)(7.8-2*1.1) =3.14*10*5.6 =175.84 *撒意思
3.75-[(-3/8)+(-1/2)-(-5/6)+4又3/2]-0.125
把下面的比化简比(1)3:5/6 (2)2/7:5/14 (3)2/3:0.75 (4)0.32:8/7
下面各题怎样简便就怎样算.3-(5/14+9/14) 2/5+1/3+2/33—1/8—7/8 5/6—(1/6-3/4