5.41×6.88+0.35×68.8+8.95×3.12
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5.41×6.88+0.35×68.8+8.95×3.5
=5.41×6.88+3.5×6.88+8.95×3.5
=6.88×(5.41+3.5)+8.95×3.5
=6.88×8.91+(8.91+0.04)×3.5
=6.88×8.91+8.91×3.5+0.04×3.5
=8.91×(6.88+3.5)+0.14
=8.91×10.38+0.14
=92.4858+0.14
=92.6258
=5.41×6.88+3.5×6.88+8.95×3.5
=6.88×(5.41+3.5)+8.95×3.5
=6.88×8.91+(8.91+0.04)×3.5
=6.88×8.91+8.91×3.5+0.04×3.5
=8.91×(6.88+3.5)+0.14
=8.91×10.38+0.14
=92.4858+0.14
=92.6258
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