①3x+5=17
②3x+0.2×6=3.6
③3(16.2﹣x)=19.2
④6x+1.5×0.7=1.41
0.28÷7=
9.5÷5=
0.7×0.3=
0.24×5=
2.3×2=
5÷0.01=
8.04÷0.2=
0.4×0.3÷0.4×0.3=
1.3×3=
0.5×0.9=
0.04×5=
4.8÷0.1=
0.42÷7=
1.2÷2=