题目内容
| 37+48÷4 | (43+37)÷4 |
| (144-24)÷2 | 100-50÷5 |
| 120-360÷9 | 86-17×3. |
(1)37+48÷4,
=37+12,
=49;
(2)(43+37)÷4,
=80÷4,
=20;
(3)(144-24)÷2,
=120÷2,
=60;
(4)100-50÷5,
=100-10,
=90;
(5)120-360÷9,
=120-40,
=80;
(6)86-17×3,
=86-51,
=35.
=37+12,
=49;
(2)(43+37)÷4,
=80÷4,
=20;
(3)(144-24)÷2,
=120÷2,
=60;
(4)100-50÷5,
=100-10,
=90;
(5)120-360÷9,
=120-40,
=80;
(6)86-17×3,
=86-51,
=35.
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