-4.27+3.8-(-1.2)+(-0.5)-(+0.73)是多少?
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-4.27+3.8-(-1.2)+(-0.5)-(+0.73)是多少?
-4.27+3.8-(-1.2)+(-0.5)-(+0.73)是多少?
-4.27+3.8-(-1.2)+(-0.5)-(+0.73)是多少?
-4.27+3.8-(-1.2)+(-0.5)-(+0.73)
=-4.27+3.8+1.2-0.5-0.73
=-(4.27+0.5+0.73)+5
=-5.5+5
=-0.5
= -0.5
-4.27+3.8-(-1.2)+(-0.5)-(+0.73)是多少?
-4.27+3.8-0.73+1.2
25.3+(-7.3)+(-13.7)+7.3 -4.27+3.8-0.73+1.2
-4.27+3.8-0.73+1.2等于多少?
负4.27+3.8减0.73+1.2 (负1)+(负2)减?(负4)+(负8)+│负8│负0.4÷(负1又5分之1)×?(负2又6分之1)负4.27+3.8减0.73+1.2 (负1)+(负2)减(负4)+(负8)+│负8│
-5.27+3.8-(-1.2)+(-0.5)
3.8÷(1.2+0.7)×0.5
① -4.27+3.8-0.73+1.2② (-1)+(-2)-(-4)+(-8)+|-8|③ -0.4÷(-5/6)×(-13/6)④ 3/2×5/7-(-5/7)×5/2+(-2/1)÷7/5⑤ -3³-(-3)-2³+(-2)²
1...-4.27+3.8-0.73+1.2 2...33.1-10.7-(-22.9)-丨-10/23丨 3...-5/2-丨-5/3丨+(+2右4/1)-(-2.75) 4..2/3×7/5-(-7/5)×5/2+(.2/1)除5/7 5..(+1)+(-2)+(+3)+(-4)````+(+99)(-100)
简算+解释,8.83×(3.8-2.3)+1.5×7.178.83×(3.8-2.3)+1.5×7.171.2×1.2+1.2×1.2×1.2+1.2×1.2×1.2×1.2
0.6(x-0.4)+3.8=1.2x+0.56
3.8÷(1.2+0.7)×0.5的简便计算
1.2.3.8.15.48.
1.2.3.8.9.10题
找规律 243.81.27.9.().() 1.2.2.4.8.().().1.2.3.8.1找规律 243.81.27.9.().()1.2.2.4.8.().().1.2.3.8.13.().()
找规律(1)1.2,2.5,3.8,()()(2)3,1.5,0.75,()
5.16+3.8×1.2简便计算
15.6-3.8-1.2= 能简算吗