6.3×1/2÷(1.8+2.7×1/2) 0.56×(5/12-19/60+2.375)÷0.5(4/9×2.4+1.6×4/19)×4/5
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6.3×1/2÷(1.8+2.7×1/2) 0.56×(5/12-19/60+2.375)÷0.5(4/9×2.4+1.6×4/19)×4/5
6.3×1/2÷(1.8+2.7×1/2) 0.56×(5/12-19/60+2.375)÷0.5
(4/9×2.4+1.6×4/19)×4/5
6.3×1/2÷(1.8+2.7×1/2) 0.56×(5/12-19/60+2.375)÷0.5(4/9×2.4+1.6×4/19)×4/5
6.3×1/2÷(1.8+2.7×1/2)
=6.3×1/2÷(1.8+1.35)
=3.15÷3.15
=1
0.56×(5/12-19/60+2.375)÷0.5
=0.56×(1/10+2.375)÷0.5
=0.56×2.475÷0.5
=1.386÷0.5
=2.772
(4/19×2.4+1.6×4/19)×4/5
=4/19×(2.4+1.6)×4/5
=4/19×4×4/5
=64/95
6.3×1/2÷(1.8+2.7×1/2)
=3.15÷(1.8+1.35)
=3.15÷3.15
=1
0.56×(5/12-19/60+2.375)÷0.5
=0.56X(0.1+2.375)÷0.5
=0.56X2.475X2
=2.772
(4/9×2.4+1.6×4/19)×4/5
=(1.067+0.337)X0.8
=1.404X0.8
=1.123
6.3×1/2÷(1.8+2.7×1/2) 0.56×(5/12-19/60+2.375)÷0.5(4/9×2.4+1.6×4/19)×4/5
简算:6.3÷1.8
1.8÷(1/15-1/33)=1.8÷2/55=49.5千米
54÷【6.3-1又3/4×(1又2/3+19/21)】(要过程)
用竖式计算.快.(1) 5.76÷1.8 (2) 3.6÷0.04用竖式计算.快.(1) 5.76÷1.8 (2) 3.6÷0.04 (3) 51÷0.34
7.2÷1.8+6.8×0.5 3.7+6.3÷0.6-0.47.2÷1.8+6.8×0.5 3.7+6.3÷0.6-0.4 3.5÷【(4.5-2.8)×0.1】5.6×7.2+4.4×7.24.8×0.65+0.65×4.26.8÷【(4.5-2.8)×0.4】
6.3×(10-3又2分之一÷6.5)÷1又5分之4 等于多少?递等式计算,
一.计算,怎样简便怎样算270+35*63.6/0.4-1.3*51.8*(4.2-1.8)÷0.91.25*7.3*0.8(4.3-3.05)*(2.7+0.5)0.8*【(5-0.68)÷1.2】2/3-8/9÷5/6*3/16(1-1/4*8/9)÷7/925÷14+17*1/143/4-8/25+1/4-17/255÷7-1/14÷1/8(5/12-1/19)*12-7/19
2.7÷(1-20%-18%)
5/2÷[5/6-(0.15+9/20)÷1.8﹢1/7]
(4分之1+0.75)÷(2又2分之1×0.4+1又5分之4÷1.8) )
能巧算的要巧算:(1 ) 8.64/{64.8-(48.6-2.7*2)} (2 ) 3.7*4.7+6.3*3.7 ( 3 ) 2.5*1.9+25*0.71+0.25*
(3.6×1/2/5×4)÷(0.35×1.8×1/2) 怎么简算?
(3.6×1/2/5×4)÷(0.35×1.8×1/2) 怎么简算?
能简算要简算,并写出过程.1、18.35-(8.35+七分之二十)2、(三分之十一-二分之一)÷(六分之七+二分之一) 3、14.25x五分之九+1.8x四分之三 4、6.3÷【(二分之九-0.07x50)÷二分之三】 二、解
能简算要简算,并写出过程.1、18.35-(8.35+七分之二十)2、(三分之十一-二分之一)÷(六分之七+二分之一) 3、14.25x五分之九+1.8x四分之三 4、6.3÷【(二分之九-0.07x50)÷二分之三】 二、解
简算18.35-(8035+6/7)18.35-(8035+6/7) 14.25*14/5+1.8*3/4 (3,2/3-1/2)/(1,1/6+1/2) 6.3/[(4,1/2-0.07*50)/1,1/2]
(2.8+2有4/5+280%+14/5)*25 3.6*2.7+18*0.56-1.8*10%÷10% 14/15-94/25+8/150-1/2520-【(1/2+1/3)÷5/6}*1.214/15-94/25+8/150-1/25