问题
解答题
计算.
(1)64+4×7
(2)854÷(55-48)
(3)(49+23)×4.
答案
(1)64+4×7
=64+28,
=92;
(2)854÷(55-48)
=854÷7,
=122;
(3)(49+23)×4
=72×4,
=148.
计算.
(1)64+4×7
(2)854÷(55-48)
(3)(49+23)×4.
(1)64+4×7
=64+28,
=92;
(2)854÷(55-48)
=854÷7,
=122;
(3)(49+23)×4
=72×4,
=148.