题目内容
计算
①22×5÷(-4)
②(-2)3-(-4)×(-3)
③(-4)2÷42+3×(-6)
①22×5÷(-4)
②(-2)3-(-4)×(-3)
③(-4)2÷42+3×(-6)
①22×5÷(-4)
=4×5×(-
)
=-5;
②(-2)3-(-4)×(-3)
=-8-12
=-20;
③(-4)2÷42+3×(-6)
=16×
+3×(-6)
=1-18
=-17.
=4×5×(-
| 1 |
| 4 |
=-5;
②(-2)3-(-4)×(-3)
=-8-12
=-20;
③(-4)2÷42+3×(-6)
=16×
| 1 |
| 16 |
=1-18
=-17.
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