题目内容
计算下列各题:
(1)(+4.3)-(-4)+(-2.3)-(+4);
(2)-4-2×32+(-2×32);
(3)(-48)÷(-2)3-(-25)×(-4)+(-2)2.
(1)(+4.3)-(-4)+(-2.3)-(+4);
(2)-4-2×32+(-2×32);
(3)(-48)÷(-2)3-(-25)×(-4)+(-2)2.
(1)(+4.3)-(-4)+(-2.3)-(+4)
=4.3+4-2.3-4
=2;
(2)-4-2×32+(-2×32)
=-4-64-64
=-132;
(3)(-48)÷(-2)3-(-25)×(-4)+(-2)2
=6-100+4
=-90.
=4.3+4-2.3-4
=2;
(2)-4-2×32+(-2×32)
=-4-64-64
=-132;
(3)(-48)÷(-2)3-(-25)×(-4)+(-2)2
=6-100+4
=-90.
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