①0.24=
②60=
③0.3040=
④9.4=
⑤6.57=
x-0.55x=2.7
4x-3×9=29
8(x+0.5)=12
(x-3)÷2=7.5
24-5x=3×4
①12.7﹣3.6﹣5.4
②
③
④
3.7+5.6= 2.4÷0.08= += 8﹣= 0.23=
×6.4= ×= 3÷1%= 4a+a= 6×÷6×=