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脱式计算,能简算的要简算. 0.25×0.125×32

(1)0.125×0.25×8×4=(0.25×4)×(0.125×8)=1×1=1;(2)54×(56-29 )=54×56-54×29=45-12=33;(3)35×13+35÷113=35×13+35×13=35×(13+13)=35×26=785;(4)8.05-0.75-14=8.05-0.75-0.25=8.05-(0.75+0.25)=8.05-1=7.05.

①2013×0.25+2013×0.75=2013×(0.25+0.75)=2013×1=2013;②1.25×32×0.25=1.25×(8×4)×0.25=(1.25×8)×(4×0.25)=10×1=10;③12×( 5 6 + 1 2 - 1 3 )=12× 5 6 +12× 1 2 -12× 1 3 )=10+6-4=16-4=12;④ 2 3 +( 5 6 - 3 4 )÷ 3 8 = 2 3 + 1 1...

(1)6.8×0.75÷0.5,=68×(0.75÷0.5),=68×1.5,=102;(2)13.5÷2.5-2.75,=5.4-2.75,=2.65;(3)0.125×0.25×32,=0.125×0.25×4×8,=(0.125×8)×(0.25×4),=1×1,=1;(4)0.9+9.9+99.9+0.3,=(1-0.1)+(10-0.1)+(100-0.1)+0.3,=1...

(1)0.125×0.25×8×4,=(0.125×8)×(0.25×4),=1×1,=1;(2)6.6×12+8×6.6,=6.6×(12+8),=6.6×20,=132;(3)[5-1.7÷(2-1)]×1,=[5-1.7÷1]×1,=[5-1.7]×1,=3.3×1,=3.3;(4)20×2.5÷(10×0.7+3),=20×2.5÷(7+3),=20×2.5÷10,=50...

①2.5×1.25×32 =2.5×1.25×(4×8)=(2.5×4)×(1.25×8)=10×10=100 ②51×2443+51×1943=51×(2443+1943)=51×1=51③318÷58-159×127=258×85-149×97=5-2=3④0.65×201-0.65=0.65×(201-1)=0.65×200=130

①12+25?34,=910-34,=320;②32?56+712,=23+712,=54;③29+38+79+0.125,=(29+79)+(38+0.125),=1+12,=112;④23?215+13,=23+13-215,=1-215,=1315;⑤149?(45+59),=149-45-59,=

(1)1.25×8.37×0.8 =1.25×0.8×8.37,=1×8.37,=8.37;(2)(9-2.35)×0.64=6.65×0.64,=4.256;(3)0.25×32×12.5=(0.25×4)×(8×1.25),=1×10,=10;(4)0.15×1999+0.15 =(1+1999)×0.15,=2000×0.15,=300;(5)0.37×1.4-0.4×0.37=(1....

脱式计算能简算的要简算 0.25x32x12.5 =(0.25×4)×(8×12.5) =1×100 =100 2/5x68+0.4x32 =0.4×(68+32) =0.4×100 =40 14/5÷(14/5+7/10) =14/5÷7/2 =4/5 (2/3+4/15x5/6)÷10/21 =(2/3+2/9)÷10/21 =8/9÷10/21 =28/15 1-5/8÷25/28-3/10 =1-...

(1)0.125+3.7×18+18×5.3 =0.125+3.7×0.125+0.125×5.3,=0.125×(1+3.7+5.3),=0.125×10,=1.25;(2)(4.6÷5+0.4×0.2)×2.8=(0.92+0.08)×2.8,=1×2.8,=2.8;(3)910×[59÷(12-16)]=910×[59÷13],=910×53,=32;(4)(2125+1415)×57+13=...

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