4.45×0.954.45 4.454.45÷1.5 3.45÷1.534.5÷15
0.46+0.34= 1﹣0.78= 0.25×0.7×4= 9.3÷0.93= 0.52=
0.4÷0.1= 2.7×3= 7.38﹣5.88= 0.54÷18= 2﹣0.01=
①7.2÷[0.24×(18.8+31.2)]
②68.3×1.5﹣8.3×1.5
③12.7×99+12.7
④3.2×0.25×1.25
⑤82.74﹣(3.56+72.74)
⑥33.28﹣13.28÷8.3