①537-18-182
②15×125×4×8
③1200÷25÷8
④135×99+135
⑤(87-25)×120÷6
⑥606÷[(1020-981)÷13]
①45.8-(10.5-5.3)
②4×1.2×25
③2400÷25÷8
④23×99+23
⑤210÷[(1.2+4.8)×7]
①320×[(128+147)÷25]
②35×(72+28÷4)
③125×81-125
④96×27+27×4
⑤38×99
⑥125×56
① ×[0.75﹣( ﹣25%)]÷1.25
②6.37×1.25﹣1 +4.63×125%
③7.09× +0.225×6﹣60%×0.64
④ ×3+ ×25+ ×
⑤
⑥