先说说下面各题的运算顺序,再计算. 560×70+365 (468-351÷3)×42 486+(214×15-827) 55×24-28×30.
(1)560×70+365
=39200+365
=39565;
(2)(468-351÷3)×42
=(468-117)×42
=351×42
=14742;
(3)486+(214×15-827)
=486+(3210-827)
=486+2383
=2869;
(4)55×24-28×30
=1320-840
=480.
=39200+365
=39565;
(2)(468-351÷3)×42
=(468-117)×42
=351×42
=14742;
(3)486+(214×15-827)
=486+(3210-827)
=486+2383
=2869;
(4)55×24-28×30
=1320-840
=480.
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