25-3×[-9+(-2)×(-3)]+25

问题描述:

25-3×[-9+(-2)×(-3)]+25

25-3×[-9+(-2)×(-3)]+25
=25-3*(-9+6)+25
=25+25-3*(-3)
=50+9
=59

25-3×[-9+(-2)×(-3)]+25
=25+25-3×(-9+6)
=50-3×(-3)
=50+9
=59