0.9+3.6÷4.5
0.75×18÷0.15
9.4×101
54.5×15﹣54.5×5
x-0.55x=2.7
4x-3×9=29
8(x+0.5)=12
(x-3)÷2=7.5
24-5x=3×4
1÷0.25= 0.39÷3= 4.6×5÷4.6×2=
1.25×0.8= 0.46+0.4= 12.8+7.5-12.8+7.5=
5x+5.5=7
5.6x-x=8.28
4(x-0.8)=8
①3.4×7.8÷39
②0.36÷0.3÷4
③(2.3+4.42)÷1.4
①1.25×0.4×2.5×8
②9.9×101
③4.2×2.4+7.6×4.2
④46.8-7.9-8.1