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怎样简便就怎样算.88×0.25×9 1.2×9.7+0.3

望采纳谢谢。(1)2.5*32*0.125 =(2.5*4)*(8*0.125) =10*1 =10 (2)3.5-7+6.5 =3.5+6.5-7 =3 (3)1.2×2.5+0.8×2.5 =2.5(1.2+0.8) =25 (4)8.9×1.25-0.9×1.25 =1.25(8.9-0.9) =10 (5)12.5×7.4×0.8 =12.5×0.8×7.4 =74 (6)6.5×9.5+6.5×0...

(1)8470-104×65=8470-6760=1710;(2)168.1÷(4.3×2-0.4)=168.1÷(8.6-0.4)=168.1÷8.2.=20.5;(3)3.64÷4+4.36×0.25=0.91+1.09=2;(4)78×199=78×(200-1)=78×200-78×1=15600-78=15522;(5)50×32×125=50×(4×8)×125=(50×4)×(8×1...

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