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0.625×5.8+5/8×3.2+5×1/8

=0.625X(5.8十3.2十1) =0.625X10 =6.25

0.625×5.8+5/8×3.2+62.5% =0.625x5.8+0.625x3.2+0.62

101X92-92 =(101-1)x92 =100x92 =9200 18.8-2/5-5

2+3.2=5.2 0.72÷8=0.09 5.8÷2=2.9 3.6÷7.2=0.5

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