问题
解答题
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答案
(1)384+256×5,
=384+1280,
=1664;
(2)960÷4-22,
=240-22,
=218;
(3)657+246-357,
=657-357+246,
=300+246,
=546;
(4)296×3×2,
=888×2,
=1776;
(5)345+(263+455)+137,
=(345+455)+(263+137),
=800+400,
=1200;
(6)712÷4÷2,
=712÷(4×2),
=712÷8,
=89.