
6÷0.2= 0.38÷0.19= 7÷100= 0.75÷5=
32÷40= 1.26÷0.6= 0.5÷0.2= 0.5×0.1÷0.5×0.1=
①2-0.9=
②0.4×100=
③0.3×20=
④2.5×0.4=
⑤5.6+4.4=
⑥2.5÷10
5.3×7.2=35.6



①16.39-0.14×4-6.44
②0.25×36
③(6.9+26.35÷8.5)×0.89
④7.8×102
⑤30.2-19.76÷(4.37+0.83)
⑥1.89÷[100×(0.42÷12)]
x+3.5x=5.4
x=
x+
=
=
x-20% x=1.6
①6.8+3.54=
②0.57-0.48=
③0.53×0.15=
④3.21+4.89=
⑤20-11.65=
⑥5.25×0.4=
⑦0.34×4.3=
⑧28.65-15.54=
⑨30.6×1.7=