①16+4÷( - )
②1.7+3.98+2.3
③( + )× +
④1÷
⑤4.8×3.9+6.1×4.8
301﹣81×35÷27 (52.05+5.1)÷9﹣2.9
①836-192÷8×16
②1.4÷(1.4+0.7)
③0.8×0.4×12.5×0.25
④ ÷6+ ÷20
⑤14×19×( + )
⑥ ÷[( + )÷ ]
①2019﹣1890÷18
②0.65×201
③
④9.4÷[(1.2+13)÷0.25]
⑤ ×[ ﹣( ﹣ )]
⑥(5.1+1.36× )×
①3.6+6.4×0.65
②20-3.69÷1.8
④18.8×4+1.2÷0.25
⑤118×
⑥(0.74-0.74× )÷0.37