(1)14317-6.46-3.54=(2)4.2÷1.5-1.5×0.6=(3)(456-334)÷(314+27)=(4)51.6÷[(325-1.25)×45]=(5)(0.92+225)÷(4-279)=(6)(525-1.8)÷[(1.15+1320)×123]=-数学
题文
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答案
(1)14
=14
=14
=4
(2)4.2÷1.5-1.5×0.6, =2.8-0.9, =1.9; (3)(4
=
=
(4)51.6÷[(3
=51.6÷[(3.4-1.25)×0.8], =51.6÷[3.4×0.8-1.25×0.8], =51.6÷[2.72-1], =51.6÷1.72, =30; (5)(0.92+
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