问题
解答题
28×(32÷4-3)(75+15)×28-14(28+32)÷(4-3)
答案
(1)28×(32÷4-3),
=28×(8-3),
=28×5,
=140;
(2)(75+15)×28-14,
=90×28-14,
=2520-14,
=2506;
(3)(28+32)÷(4-3),
=60÷1,
=60.
28×(32÷4-3)(75+15)×28-14(28+32)÷(4-3)
(1)28×(32÷4-3),
=28×(8-3),
=28×5,
=140;
(2)(75+15)×28-14,
=90×28-14,
=2520-14,
=2506;
(3)(28+32)÷(4-3),
=60÷1,
=60.