(-0.02)×(-20)×(-5)×4.5

问题描述:

(-0.02)×(-20)×(-5)×4.5
(-6.5)(-2)÷(-1/3)÷(-5)
6 +(-1/5)× -2 -(-1.5)
-66 × 4 -(-2.5)÷(-0.1)
(-2)^2 × 5 - (-2)3 ÷ 4
-(3-5)+3^2 ×(1-3)
要有算式和答案

(-0.02)×(-20)×(-5)×4.5=(-0.02)×100×4.5=-2×4.5=-9(-6.5)(-2)÷(-1/3)÷(-5)=13×3÷5=39÷5=7.86 +(-1/5)× -2 -(-1.5)=6+0.4+1.5=7.9-66 × 4 -(-2.5)÷(-0.1)=-264-25=-289(-2)...