下面各题怎样简便就怎样算.4849×5051.4-8.56-1.44108-1800÷45[1-(12-14)]×230.4×80×2.5×0.125(1115-95÷3)÷715.-数学
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答案
(1)
=
=48+
=4848
(2)51.4-8.56-1.44, =51.4-(8.56+1.44), =51.4-10, =41.4; (3)108-1800÷45, =108-40, =68; (4)[1-(
=[1-
=
=
(5)0.4×80×2.5×0.125, =(0.4×2.5)×(80×0.125), =1×10, =10; (6)(
=(
=
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