①0.5+4.0=
②0.3×0.6=
③2.3+7.04=
④0.24×5=
⑤7.1﹣6.2=
⑥600×0.5=
⑦8.8÷100=
⑧5x﹣1.5x=
①x-3.4=2.42
②12.8÷x=1.6
③9x-7x=3.8
④23.6-x=9.15
⑤1+0.25x=1.68
⑥0.3x+4×0.8=3.83