7×(*)=-21-15×(*)=60-5×(*)=-30(*)×(-4)=36(*)×(-9)=-63(-25)×(*)=-100
1) *= -21 ÷7 = -3 2)*=60÷-15=-4 3)*=-30÷-5=6 4)*=36÷-4=-9 5)*=-63:(-9)=+7 6)*=100:(-25)=-4