0.5÷0.90.5
0.55×0.90.55
36÷0.013.6×100
7.3÷0.373÷0.3.
3.5×0.2=
10÷0.5=
6×0.25=
0.63÷0.9=
0.99÷0.01=
1.2×4=
3.9×0.01=
2.33×1.2=
①48÷x=150
②9x+5x=8.4
③6.8+3.2x=14.8
④4(6x+3)=60
⑤2x+23×4=134
⑥148﹣3x=35.5