①2.05÷0.82+33.6
②4.92÷4.1÷0.3
③2.8×4+7.2÷0.25
④3.8÷2.5÷4
⑤96.72÷2.4×1.5
⑥(4.8+1.28)÷0.8
①2800÷25÷4
②125×27×8
③672÷[3×(201-194)]
④312×7+88×7
⑤358+479+42+121
⑥92×101-92
0.9+3.6÷4.5
0.75×18÷0.15
9.4×101
54.5×15﹣54.5×5
①(3618÷18-145)×20
②6÷ - ÷6
③(21+ )× +
④ ×[ ÷( - )]
⑤3.5×98+35×0.2