計(jì)算:(3
12
-2
1
3
+
48
)÷2
3
+(
1
3
原式=(6
3
-
2
3
3
+4
3
)÷2
3
+
3
3

=
28
3
3
÷2
3
+
3
3

=
14
3
+
3
3

=
14+
3
3
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科目:初中數(shù)學(xué) 來源: 題型:

計(jì)算:
(1)(-7.6)×0.5;
(2)(-3
1
2
)×(-2
1
3
);
(3)8×(-
3
4
)×(-4);
(4)21×(-71)×0×43;
(5)(-1
1
2
)×(-1
1
3
)×(-1
1
4
)×(-1
1
5
)-(-1
1
6
)×(-1
1
7
);
(6)(1-
1
2
)×(1+
1
2
)×(1-
1
3
)×(1+
1
3
)×(1-
1
4
)×(1+
1
4
).

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科目:初中數(shù)學(xué) 來源:不詳 題型:解答題

計(jì)算:
(1)(-7.6)×0.5;
(2)(-3
1
2
)×(-2
1
3
);
(3)8×(-
3
4
)×(-4);
(4)21×(-71)×0×43;
(5)(-1
1
2
)×(-1
1
3
)×(-1
1
4
)×(-1
1
5
)-(-1
1
6
)×(-1
1
7
);
(6)(1-
1
2
)×(1+
1
2
)×(1-
1
3
)×(1+
1
3
)×(1-
1
4
)×(1+
1
4
).

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