问几道数学题.(-6.5)*(-2)/(-3/1)/(-5)6+(-1/5)-2-(-1.5)(-2)二次方*5-(-2)三次方/4答 下题的
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问几道数学题.(-6.5)*(-2)/(-3/1)/(-5)6+(-1/5)-2-(-1.5)(-2)二次方*5-(-2)三次方/4答 下题的
问几道数学题.
(-6.5)*(-2)/(-3/1)/(-5)
6+(-1/5)-2-(-1.5)
(-2)二次方*5-(-2)三次方/4
答 下题的
问几道数学题.(-6.5)*(-2)/(-3/1)/(-5)6+(-1/5)-2-(-1.5)(-2)二次方*5-(-2)三次方/4答 下题的
(1) =13*(-3)/(-5)
=-39/(-5)
=39/5
2) =6-1/5-2+1.5
=5.3
3) =4*5-(-8)/4
=20-(-2)
=20+2
=22