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(1)738+123+362(2)1184-816-284+116(3)207×(410-290)(4)862+38×(1886÷46)(5)6000÷(7500÷25+7500÷75)(6)492÷[(459-159)÷25].
题目详情
(1)738+123+362
(2)1184-816-284+116
(3)207×(410-290)
(4)862+38×(1886÷46)
(5)6000÷(7500÷25+7500÷75)
(6)492÷[(459-159)÷25].
(2)1184-816-284+116
(3)207×(410-290)
(4)862+38×(1886÷46)
(5)6000÷(7500÷25+7500÷75)
(6)492÷[(459-159)÷25].
▼优质解答
答案和解析
(1)738+123+362,
=738+362+123,
=1100+123,
=1223;
(2)1184-816-284+116,
=(1184-284)-(816-116),
=900-700,
=200;
(3)207×(410-290),
=207×120,
=200×120+7×120,
=24000+840,
=24840;
(4)862+38×(1886÷46),
=862+38×41,
=862+1558,
=2420;
(5)6000÷(7500÷25+7500÷75),
=6000÷(300+100),
=6000÷400,
=15;
(6)492÷[(459-159)÷25],
=492÷[300÷25],
=492÷12,
=41.
=738+362+123,
=1100+123,
=1223;
(2)1184-816-284+116,
=(1184-284)-(816-116),
=900-700,
=200;
(3)207×(410-290),
=207×120,
=200×120+7×120,
=24000+840,
=24840;
(4)862+38×(1886÷46),
=862+38×41,
=862+1558,
=2420;
(5)6000÷(7500÷25+7500÷75),
=6000÷(300+100),
=6000÷400,
=15;
(6)492÷[(459-159)÷25],
=492÷[300÷25],
=492÷12,
=41.
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