3.996×(15.4-15.4)÷0.36
(8.42-1.42)÷0.5×0.4
0.45+0.25×0.2+0.8
0.84×3.6+0.84×6.4
1.25×4+25×8
369/3+127-200*5
(159+456)/205+146-52
2100-21×53+2255
(103-336÷21)×1...
3.996×(15.4-15.4)÷0.36
(8.42-1.42)÷0.5×0.4
0.45+0.25×0.2+0.8
0.84×3.6+0.84×6.4
1.25×4+25×8
369/3+127-200*5
(159+456)/205+146-52
2100-21×53+2255
(103-336÷21)×1...