1.-4/3*0.75+4/3*9+(-2)*(-1/2)
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1.-4/3*0.75+4/3*9+(-2)*(-1/2)
2.-45.75*23/9+(-35.25)*(-23/9)+10.5*(-67/9)
3.0.7*3/11-6.6*3/7-1.1*3/7+0.7*8/11
注:*为乘号,/为几分之几,入1/2等于2分之1.
2.-45.75*23/9+(-35.25)*(-23/9)+10.5*(-67/9)
3.0.7*3/11-6.6*3/7-1.1*3/7+0.7*8/11
注:*为乘号,/为几分之几,入1/2等于2分之1.
1.-4/3*0.75+4/3*9+(-2)*(-1/2)
=-4/3*3/4+12+1
=-1+12+1
=12
2.-45.75*23/9+(-35.25)*(-23/9)+10.5*(-67/9)
=-45.75*23/9+35.25*23/9-10.5*67/9
=23/9*(-45.75+35.25)-10.5*67/9
=23/9*(-10.5)-10.5*67/9
=-10.5*(23/9+67/9)
=-10.5*10
=-105
3.0.7*3/11-6.6*3/7-1.1*3/7+0.7*8/11
=0.7*(3/11+8/11)-3/7*(6.6+1.1)
=0.7*1-3/7*7.7
=0.7-3.3
=-2.6
=-4/3*3/4+12+1
=-1+12+1
=12
2.-45.75*23/9+(-35.25)*(-23/9)+10.5*(-67/9)
=-45.75*23/9+35.25*23/9-10.5*67/9
=23/9*(-45.75+35.25)-10.5*67/9
=23/9*(-10.5)-10.5*67/9
=-10.5*(23/9+67/9)
=-10.5*10
=-105
3.0.7*3/11-6.6*3/7-1.1*3/7+0.7*8/11
=0.7*(3/11+8/11)-3/7*(6.6+1.1)
=0.7*1-3/7*7.7
=0.7-3.3
=-2.6
1.-4/3*0.75+4/3*9+(-2)*(-1/2)
7.5*3/4+0.75*1/2-0.75简便算
3/4乘2/9+0.75乘5/9等于
1.-8x(-2)^4-(-1/2)^2x(-2)^4+4/9x(-3)^2
2道最简单的题,7/9-1/3= 1*4/5-0.75=
化简:7:28 2/1:4/1 0.75:0.5 5/9:20/3 ?急
3/4*1/5+3/4*2/5+0.75*3/5-3/4简便运算
3/4×1/5+3/4×2/5+0.75×3/5-3/4
4/3*5/1+4/3*5/2+0.75*5/3-4/3简便计算
1.计算 1又3/4-0.25 .0.125*2/3 .0.063*1/9.1又4/8-0.75.
1.(-2 3/4)+(+12 5/7)+(-4.125)+(+0.75)+(+1/8);
计算0.0081^1/4+(4^-3/4)^2+(√8)^-4/3-16^-0.75的值,