计算下面各题,能简算的简算198-600÷25×451×9.9+5.118×(42÷15+8.2)6+[(35+1
计算下面各题,能简算的简算198-600÷25×451×9.9+5.118×(42÷15+8.2)6+[(35+110)×521]10-27-17÷151116+813-...
计算下面各题,能简算的简算198-600÷25×451×9.9+5.118×(42÷15+8.2)6+[(35+110)×521]10-27-17÷151116+813-(1116+513)
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(1)198-600÷25×4
=198-24×4
=198-96
=102;
(2)51×9.9+5.1
=5.1×99+5.1
=5.1×(99+1)
=5.1×100
=510;
(3)18×(42÷15+8.2)
=18×(2.8+8.2)
=18×11
=198;
(4)6+[(
+
)×
]
=6+[
×
]
=6+
=6
;
(5)10-
-
÷
=10-
-
=10-(
+
)
=10-1
=9;
(6)
+
-(
+
)
=(
-
)+(
-
)
=0+
=
.
=198-24×4
=198-96
=102;
(2)51×9.9+5.1
=5.1×99+5.1
=5.1×(99+1)
=5.1×100
=510;
(3)18×(42÷15+8.2)
=18×(2.8+8.2)
=18×11
=198;
(4)6+[(
3 |
5 |
1 |
10 |
5 |
21 |
=6+[
7 |
10 |
5 |
21 |
=6+
1 |
6 |
=6
1 |
6 |
(5)10-
2 |
7 |
1 |
7 |
1 |
5 |
=10-
2 |
7 |
5 |
7 |
=10-(
2 |
7 |
5 |
7 |
=10-1
=9;
(6)
11 |
16 |
8 |
13 |
11 |
16 |
5 |
13 |
=(
11 |
16 |
11 |
16 |
8 |
13 |
5 |
13 |
=0+
3 |
13 |
=
3 |
13 |
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