(-1/2+1/6-3/4+5/12)÷(-12)=?
(-1/2+1/6-3/4+5/12)÷(-12)=?
(-1/2+1/6-3/4+5/12)÷(-12)
=(-6/12+2/12-9/12+10/12)÷(-12)
=-3/12÷(-12)
=-1/4÷(-12)
=1/48
(-1/2+1/6-3/8+5/12)×(-24)
7
【-1/2+1/6-3/8+5/12】*【-24】
解:原式=(-1/2)*(-24)+1/6*(-24)-3/8*(-24)+5/12*(-24)
=12-4+9-10
=7
(-1/2+1/6-3/8+5/12)x(-24)
(-1/2+1/6-3/8+5/12)x(-24)
=12-4+9-10
=8-1
=7
(-1/6-3/4+5/8)÷(-1/12)有理数计算
. 1 3 5 1
= (- ----- - ---- + -----) ÷(- ------)
6 4 8 12
. -4-3×6+5×3
=(---------------------) × (-12)
24
. 7
= ----- = 3.5
2
(-1/2+1/6-3/8+5/12)*(-24)怎么算?
(-1/2+1/6-3/8+5/12)*(-24)-1/2×(-24)+1/6×(-24)-3/8×(-24)+5/12×(-24)=12-4+9-10=7
-1/5乘1/12除(-1/6-3/20+4/5-11/12)
-1/5×1/12÷(-1/6-3/20+4/5-11/12)
=-1/60÷(-1/6-3/20+4/5-11/12)
=-1÷(-1/6×60-3/20×60+4/5×60-11/12×60)
=-1÷(-10-9+48-55)
=-1÷(-26)
=1/26
(-1/6)/(-1/6-3/20+4/5-11/12)
分母=-13/30
∴原式=5/13
(4/5+1/6-3/4)÷1/60 【2-(1/4+5/8)】÷3/4(简便计算
(4/5+1/6-3/4)÷1/60
=(4/5+1/6-3/4)×60
=4/5×60 +1/6×60 -3/4×60
=48 +10 -45
=13
[2-(1/4+5/8)]÷3/4
=[2-(2/8+5/8)]÷3/4
=[2-7/8]÷3/4
=9/8÷3/4
=9/8×4/3
=3/2
5/6+1/4+5/12÷1/36。
=10/12+3/12+15
=13/12+15
=16 1/12