①9.74÷2.5÷0.4
②56.7÷0.5×0.4
③84.6-4.2÷0.25
④9.36÷(1.37-0.89)
⑤40.5÷0.5+10.75
⑥45.6÷6÷0.5
⑴1.25×7.9×0.8
⑵63÷(1.7+1.9)+4.8
⑶8.4×13.5﹣3.5×8.4
⑷9.2÷0.25÷0.4
①3.45×102
②0.47×0.5×0.8
③3.2+0.8×1.6
④7.2×1.25
⑤0.46×0.9+0.64×0.9
⑥1.25×(10+0.8)
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⑤
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