题目
(-0.04)x(-20)x(-5)
(-2)x(-6.5)÷(3分之1)
6+(-5分之1)-2-(+11.7)
-68x4-(3.5)÷(-0.010
(-2的3次方)x5-(-6的3次方)÷8
24x(4分之3-6分之1-8分之3)÷(-5)
(-2)x(-6.5)÷(3分之1)
6+(-5分之1)-2-(+11.7)
-68x4-(3.5)÷(-0.010
(-2的3次方)x5-(-6的3次方)÷8
24x(4分之3-6分之1-8分之3)÷(-5)
提问时间:2020-11-23
答案
(-0.04)x(-20)x(-5)
=(-0.04)×[(-20)×(-5)]
=(-0.04)×100
=-4
(-2)x(-6.5)÷(3分之1)
=13÷3分之1
=13×3
=39
6+(-5分之1)-2-(+11.7)
=6+(-0.2)-2-11.7
=5.8-2-11.7
=3.8-11.7
=-7.9
-68x4-(3.5)÷(-0.01)
=-272-(-350)
=-272+350
=78
(-2的3次方)x5-(-6的3次方)÷8
=(-8)×5-(-216)÷8
=-40-(-27)
=-40+27
=-13
24x(4分之3-6分之1-8分之3)÷(-5)
=(24×4分之3-24×6分之1-24×8分之3)÷(-5)
=(18-4-9)÷(-5)
=5÷(-5)
=-1
=(-0.04)×[(-20)×(-5)]
=(-0.04)×100
=-4
(-2)x(-6.5)÷(3分之1)
=13÷3分之1
=13×3
=39
6+(-5分之1)-2-(+11.7)
=6+(-0.2)-2-11.7
=5.8-2-11.7
=3.8-11.7
=-7.9
-68x4-(3.5)÷(-0.01)
=-272-(-350)
=-272+350
=78
(-2的3次方)x5-(-6的3次方)÷8
=(-8)×5-(-216)÷8
=-40-(-27)
=-40+27
=-13
24x(4分之3-6分之1-8分之3)÷(-5)
=(24×4分之3-24×6分之1-24×8分之3)÷(-5)
=(18-4-9)÷(-5)
=5÷(-5)
=-1
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