1.1×76+8.8×3用简便方法计算?
2个回答
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=1.1x7.6+1.1x8x3
=1.1x(7.6+24)
=1.1x31.6
=(1+0.1)x31.6
=1x31.6+0.1x31.6
=31.6+3.16
=34.76
=1.1x(7.6+24)
=1.1x31.6
=(1+0.1)x31.6
=1x31.6+0.1x31.6
=31.6+3.16
=34.76
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