问题 解答题
脱式计算.
124-35÷7(34+22)÷845÷(15÷3)
105+6×862-(16-9)24×3+72.
答案

(1)124-35÷7,

=124-5,

=119;

(2)(34+22)÷8,

=56÷8,

=7;

(3)45÷(15÷3),

=45÷5,

=9;

(4)105+6×8,

=105+48,

=153;

(5)62-(16-9),

=62-7,

=55;

(6)24×3+72,

=72+72,

=144.

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