(1)7.5×0＋1×7.5=

(2)(1.6＋0.4)×3.5=

(3)7.31×1－7.31=

(4)0.25×1.7×4=

(5)0.26＋0.73＋0.74=

(6)0.19×8.3＋1.7×0.19=

(1)0.1×0.35=

(2)31÷0.31=

(3)0.75÷1.5=

(4)0.08×5=

(5)(1.43＋2.57)÷0.2=

(6)0.4×(1.2－0.5)=

(1)3.75×10=

(2)4.2÷0.2=

(3)0.63÷0.7=

(4)0.4×1.5=

(5)(1－0.04)÷3=

(6)6÷(0.7＋0.8)=

(1)4.8×0.125×8=

(2)5.96－(4.96＋0.8)=

(3)10－10×0.02=

(1)0.3×0.4=

(2)0.54＋0.2=

(3)80×0.5=

(4)3.8÷0.19=

(5)1.13×6=

(6)3.45÷0.5=

x÷1.5=5

x的8.5倍减去x的3.2倍，差是47.7．   x=(   )

x的5倍减去32，差是108．  x=(   )

(1)0.32÷2=

(2)0.36÷0.4=

(3)0.25×4=

(4)0.5÷2=

(5)1.2×0.6=

(1)6.3÷7=

(2)3.6÷0.3=

(3)0.2×0.4=

(4)2.5＋7.5=

(5)1.4×0.5=