问题
解答题
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答案
(1)13×(250-192÷4),
=13×(250-48),
=13×202,
=2626;
(2)73+420÷30-15,
=73+14-15,
=72;
(3)(219+28×21)÷3,
=(219+588)÷3,
=807÷3,
=269;
(4)54×(49+915÷15),
=54×(49+61),
=54×110,
=5940.
|
(1)13×(250-192÷4),
=13×(250-48),
=13×202,
=2626;
(2)73+420÷30-15,
=73+14-15,
=72;
(3)(219+28×21)÷3,
=(219+588)÷3,
=807÷3,
=269;
(4)54×(49+915÷15),
=54×(49+61),
=54×110,
=5940.