7.56-0.56÷0.4 1.8÷0.12-2.3 0.81×2.3-1.3×0.81
204÷24= 52.2÷4.5= 23.25÷0.63≈
13.68÷1.9= 38÷57≈ △8.91÷0.33=
①0.65×7.3-0.65×6.3
②96÷2.5÷0.4
③5.01-1.9+4.99
①0.175÷0.25×4
②1.19÷1.4-2.7×0.28
③102×0.45
④1.25×2.5×3.2
⑤5.4×3.2+3.2+3.2×3.6
⑥80-23.29-36.71
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