题目内容
【题目】1.69÷1.3+2.5×0.4 15.8×0.6+15.8×0.4 96.5×105﹣5×96.5.
【答案】2.3;15.8;9650
【解析】
1.69÷1.3+2.5×0.4,
=1.3+1,
=2.3;
15.8×0.6+15.8×0.4,
=(0.6+0.4)×15.8,
=1×15.8,
=15.8;
96.5×105﹣5×96.5,
=(105﹣5)×96.5,
=9650
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题目内容
【题目】1.69÷1.3+2.5×0.4 15.8×0.6+15.8×0.4 96.5×105﹣5×96.5.
【答案】2.3;15.8;9650
【解析】
1.69÷1.3+2.5×0.4,
=1.3+1,
=2.3;
15.8×0.6+15.8×0.4,
=(0.6+0.4)×15.8,
=1×15.8,
=15.8;
96.5×105﹣5×96.5,
=(105﹣5)×96.5,
=9650