1)(3*(-2))*5=-6*5=-30
2)(-9*4)*(-2,5)=-36*(-2,5)=90
3)(13*(-5))*20=-65*20=-1300
4)(-9*15)*(-2)=-135*(-2)=270
5)(-8*(-12))*5=96*5=480
6)(3*(-25))*2=-75*2=-150
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Answers & Comments
1)(3*(-2))*5=-6*5=-30
2)(-9*4)*(-2,5)=-36*(-2,5)=90
3)(13*(-5))*20=-65*20=-1300
4)(-9*15)*(-2)=-135*(-2)=270
5)(-8*(-12))*5=96*5=480
6)(3*(-25))*2=-75*2=-150