题目内容
| 57+19-20= | 36÷4×9= | 0×27= |
| 160÷4+10= | (25-5)÷4= | 0÷11+11= |
| 115-15÷5= | 30×(84÷4)= | 36-0÷36= |
(1)57+19-20,
=76-20,
=56;
(2)36÷4×9,
=9×9,
=81;
(3)0×27=0;
(4)160÷4+10,
=40+10,
=50;
(5)(25-5)÷4,
=20÷4,
=5;
(6)0÷11+11,
=0+11,
=11;
(7)115-15÷5,
=115-3,
=112;
(8)30×(84÷4),
=30×21,
=630;
(9)36-0÷36,
=36-0,
=36.
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