
(1)2×(?3)2?26÷(?12)(2)-42+(-7+5)2×(-1)4(3)(?16?320+45?712)×(?15×4)(4)11×2+12×3+
(1)2×(?3)2?26÷(?12)(2)-42+(-7+5)2×(-1)4(3)(?16?320+45?712)×(?15×4)(4)11×2+12×3+13×4+…...
(1)2×(?3)2?26÷(?12)(2)-42+(-7+5)2×(-1)4(3)(?16?320+45?712)×(?15×4)(4)11×2+12×3+13×4+…+199×100
展开
1个回答
展开全部
(1)原式=2×9-26×(-2),
=18+52,
=70;
(2)原式=-16+4×1=-12;
(3)原式=(-
)×(-60)+(-
)×(-60)+
×(-60)+(-
)×(-60),
=10+9-48+35,
=6;
(4)原式=1-
+
?
+
+
?
+…+
-
,
=1-
,
=
.
=18+52,
=70;
(2)原式=-16+4×1=-12;
(3)原式=(-
1 |
6 |
3 |
20 |
4 |
5 |
7 |
12 |
=10+9-48+35,
=6;
(4)原式=1-
1 |
2 |
1 |
2 |
1 |
3 |
1 |
4 |
1 |
3 |
1 |
4 |
1 |
99 |
1 |
100 |
=1-
1 |
100 |
=
99 |
100 |
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询