Gọi các ô trống có giá trị x
\(a,x=\dfrac{-7.6}{3}=\dfrac{-42}{3}=-14\\ b,x=\dfrac{-6.3}{9}=\dfrac{-18}{9}=-2\\ c,x=\dfrac{-5.24}{20}=\dfrac{-120}{20}=-6\\ d,x=\dfrac{-7.20}{28}=\dfrac{-140}{28}=-5\\ e,x=\dfrac{-2.21}{7}=\dfrac{-42}{7}=-6\\ f,x=\dfrac{44.15}{-11}=\dfrac{-11.4.15}{-11}=4.15=60\\ g,x=\dfrac{13.\left(-15\right)}{65}=\dfrac{13.5.\left(-3\right)}{65}=\dfrac{65.\left(-3\right)}{65}=-3\\ h,x=\dfrac{96.9}{-8}=\dfrac{\left(-8\right).\left(-12\right).9}{-8}=\left(-12\right).9=-108\)
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