
计算:(1)2×(-3)3?5÷12×2;(2)?24×(16+113?0.75).
1个回答
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(1)2×(-3)3?5÷
×2,
=2×(-27)-5×2×2,
=-54-20,
=-74;
(2)?24×(
+1
?0.75),
=-24×
?24×
+24×
,
=-4-32+18,
=-18.
1 |
2 |
=2×(-27)-5×2×2,
=-54-20,
=-74;
(2)?24×(
1 |
6 |
1 |
3 |
=-24×
1 |
6 |
4 |
3 |
3 |
4 |
=-4-32+18,
=-18.
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