发布人:繁体字网(www.fantiz5.com) 发布时间:2015-10-24 07:30:00
试题原文 |
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(1)(
=(
=
=6+4+3, =13; (2)2.5×(1.9+1.9+1.9+1.9) =2.5×4×1.9, =10×1.9, =19; (3)3.64÷4+4.36×25% =3.64×25%+4.36×25%, =(3.64+4.36)×25%, =8×25%, =2; (4)2005
=(2004+1
=2004×
=2003+1, =2004; (5)(9
=16
=13; (6)
=(1-
=1+1+1+1+1+1+1-(
=7-
=7-
=6
(7)
=(
=
=
=5; (8)142857÷117+285714÷117+571428÷117. =142857×
=(142857+285714+571428)×
=999999×
=8547. |
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