360÷30720÷60 800-432÷6×9800-432÷(6×9)
2.18×0.722.18 36×1.536 17.2×0.383.8×1.72
10.01+0.110.01×0.1 0.5米5厘米 0.89×4.94.9×1.01
199( )
248( )
364( )
295( )
581( )
512( )
601( )
543( )
329( )
434( )
415( )
492( )