7.8÷0.1○7.8 3.5×7.28○7.28 2.7○2.7÷0.8 15×0.6○15×1
3.6÷1.2○3.6 0.82×0.99○0.82 3.57÷1.05○3.57 5.85÷0.9○5.85
2.75×1.01○2.75 4.95÷0.9○4.95 1×1.009○1.009 3.6×1.45○3.6．
7.8÷0.1○7.8 3.5×7.28○7.28 2.7○2.7÷0.8 15×0.6○15×1
3.6÷1.2○3.6 0.82×0.99○0.82 3.57÷1.05○3.57 5.85÷0.9○5.85
2.75×1.01○2.75 4.95÷0.9○4.95 1×1.009○1.009 3.6×1.45○3.6．
km 250g=
日．
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