3.5×(-1)= (-10)×(0.2)= (-4)×(18) ×(-25) = 100×(-0.1)×10×(-0.01)=
问题描述:
3.5×(-1)= (-10)×(0.2)= (-4)×(18) ×(-25) = 100×(-0.1)×10×(-0.01)=
答
3.5×(-1)= -3.5
(-10)×(0.2)=-2
(-4)×(18) ×(-25) =1800
100×(-0.1)×10×(-0.01)=1过程知道啊(-4)×(18) ×(-25) =4x25x18=1800 100×(-0.1)×10×(-0.01)=100x0.01x10x0.1=1