6.84x2.02乘法验算是什么?
3个回答
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计算:
6.84×2.02
=6.84×(2+0.02)
=13.68+0.1368
=13.8168
验算:
2.02×6.84
=2.02×(6+0.8+0.04)
=12.12+1.616+0.0808
=13.736+0.0808
=13.8168
6.84×2.02
=6.84×(2+0.02)
=13.68+0.1368
=13.8168
验算:
2.02×6.84
=2.02×(6+0.8+0.04)
=12.12+1.616+0.0808
=13.736+0.0808
=13.8168
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