1.2x2.5+0.8x2.5怎样简算
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1.2x2.5+0.8x2.5怎样简算1.2x2.5+0.8x2.5怎样简算1.2x2.5+0.8x2.5怎样简算1.2x2.5+0.8x2.5=(1.2+0.8)x2.5=2x2.5=51.2x2.
1.2x2.5+0.8x2.5怎样简算
1.2x2.5+0.8x2.5怎样简算
1.2x2.5+0.8x2.5怎样简算
1.2x2.5+0.8x2.5
=(1.2+0.8)x2.5
=2x2.5
=5
1.2x2.5+0.8x2.5
=(1.2+0.8)x2.5
=2x2.5
=5
2.5x(1.2+0.8)=2.5x2=5
(1.2+0.8)*2.5
1.2x2.5+0.8x2.5
=2.5×(1.2+0.8)
=2.5×2
=5
晕
1.2*2.5+0.8*2.5=(1.2+0.8)*2.5=2*2.5=5
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