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36.4÷2.5竖式

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36.4÷2.5 =3.64/0.25=7.28/0.5=14.56 120/1.25=12/0.125=12*8=96

3.8

. 3/7 × 49/9 - 4/3 2. 8/9 × 15/36 + 1/27 3. 12× 5/6 – 2/9 ×3 4. 8× 5/4 + 1/4 5. 6÷ 3/8 – 3/8 ÷6 6. 4/7 × 5/9 + 3/7 × 5/9 7. 5/2 -( 3/2 + 4/5 ) 8. 7/8 + ( 1/8 + 1/9 ) 9. 9 × 5/6 + 5/6 10. 3/4 × 8/9 - 1/3 11. 7 × 5/49 + 3/14 ...

(1)1.36+4.85+2.64+6.15,=(1.36+2.64)+(4.85+6.15),=4+11,=15;(2)98.5÷2.5÷4,=98.5÷(2.5×4),=98.5÷10,=9.85;(3)5.4÷[2.5×(3.7-2.9)],=5.4÷[2.5×0.8],=5.4÷2,=2.7;(4)0.8×(4-3.68)÷0.01,=0.8×0.32÷0.01,=0.256÷0...

(1)13÷0.4÷2.5,=13÷(0.4×2.5),=13÷1,=13;(2)64×4.5+36×4.5,=(64+36)×4.5,=100×4.5,=450;(3)1.25×2.5×0.8,=1.25×0.8×2.5,=1×2.5,=2.5;(4)1.5×101-1.5,=1.5×(101-1),=1.5×100,=150;(5)14.64+3.7×2.8,=14.64+10....

{1-328÷(328×2.5)}÷2.4=(1-328÷328÷2.5)÷2.4=(1-2/5)×4/9=3/5×4/9=4/15 1又1/4×17.6+36÷4/5+1.25=5/4×17.6+36×5/4+5/4=5/4×(17.6+36+1) =5/4×54.6=68.25 201.2×22/25+2012×3/200-20.12×3/10=201.2×0.88+2012×0.015-20.12×0.3 =20.12×8.8+20....

100-4.05÷0.36-2.5×5 =100-405÷36-2.5×5 =100-11.25-12.5=76.25

(1)0.36+0.4=0.76,(2)12.5×32×2.5=1000,(3)1÷0.9= 10 9 ,(4)8×(12+0.5)=100,(5)9- 5 9 + 4 9 =8 8 9 ,(6) 5 8 ÷ 8 5 = 25 64 ,(7) 1 3 - 1 4 = 1 12 ,(8)1÷ 2 3 = 3 2 ,(9)5 1 8 +0.8=5.925,(10)6+6- 9 2 =7.5.

(1)25×44,=25×4×11,=100×11,=1100;(2)10-(4+0.05),=10-4.05,=5.95;(3)2.32-1.5+3.68-2.5,=(2.32+3.68)-(1.5+2.5),=6-4,=2;(4)420+28=448;(5)(4800÷75+36)×12,=(64+36)×12,=100×12,=1200;(6)(2007+2007+2...

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