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脱式计算,能简算的要简算.0.89×4.8+0.89×5.29.4×...

(1)0.89×4.8+0.89×5.2=0.89×(4.8+5.2)=0.89×10=8.9;(2)9.4×0.96÷(5.4÷0.9)=9.4×0.96÷6=9.024÷6=1.504;(3)(8+0.8)×1.25=8×1.25+0.8×1.25=10+1=11;(4)0.175÷0.25÷0.4=0.175÷(0.25×0.4)=0.175÷0.1=1.75.

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