A-A+
47×[15×(13-310)+78]=18÷67-(14+27)×911=(1+57+12
问题详情
参考答案
(1)47×[15×(13-310)+78],
=47×[15×130+78],
=47×[12+78],
=47×118,
=1114;
(2)18÷67-(14+27)×911,
=18÷67-1528×911,
=21-135308,
=20173308;
(3)(1+57+12÷34)×27,
=(1+57+23)×27,
=5021×27,
=100147;
(4)(350×101-350)÷(150+30÷115),
=(101-1)×350÷(150+450),
=6+600,
=606;
(5)34÷[(116+120)×(1÷320)],
=34÷[980×203],
=34÷34,
=1;
(6)15÷23×524÷712,
=310×524÷712,
=116÷712,
=328.
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