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用递等式计算.624÷6×5500-348÷4(532+224)÷7840÷5×7256÷4÷8936÷(303-297)

题目详情
用递等式计算.
624÷6×5               
500-348÷4              (532+224)÷7
840÷5×7                256÷4÷8                936÷(303-297)
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答案和解析
(1)624÷6×5,
=104×5,
=520;

(2)500-348÷4,
=500-87,
=413;

(3)(532+224)÷7,
=756÷7,
=108;

(4)840÷5×7,
=168×7,
=1176;

(5)256÷4÷8,
=64÷8,
=8;

(6)936÷(303-297),
=936÷6,
=156.