问题:
计算:
(1)
1
2
-
3
4
+(-
1
6
);
(2)(1
3
4
-
1
3
-2
1
6
)×24;
(3) -
1
9
×(-6
1
4
)×5.4÷(-0.125);
(4)(-2) 4-[-3 2-(1-2 3)×7];
(5)2x+3y-4(y-x);
(6)a 2b-[2(a 2b-2ac 2)-(2bc-4ac 2)].
计算:
(1)
-
+(-
);
(2)(1
-
-2
)×24;
(3) -
×(-6
)×5.4÷(-0.125);
(4)(-2) 4-[-3 2-(1-2 3)×7];
(5)2x+3y-4(y-x);
(6)a 2b-[2(a 2b-2ac 2)-(2bc-4ac 2)].
(1)
1 |
2 |
3 |
4 |
1 |
6 |
(2)(1
3 |
4 |
1 |
3 |
1 |
6 |
(3) -
1 |
9 |
1 |
4 |
(4)(-2) 4-[-3 2-(1-2 3)×7];
(5)2x+3y-4(y-x);
(6)a 2b-[2(a 2b-2ac 2)-(2bc-4ac 2)].
参考答案: