（1）3.72×3.5+62.8×0.35
（2）9.9×8.6+0.86
（3）15.02﹣6.8﹣1.02﹣3.2
（4）725÷0.125÷0.25÷32
（5）8888888×77777777÷1111111÷2222222﹣9999999÷3333333．
（1）3.72×3.5+62.8×0.35
（2）9.9×8.6+0.86
（3）15.02﹣6.8﹣1.02﹣3.2
（4）725÷0.125÷0.25÷32
（5）8888888×77777777÷1111111÷2222222﹣9999999÷3333333．
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