求各位大神指点,要详细过程,谢谢各位!
5个回答
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=2.5×6.6+2.5×6.6
=2×2.5×6.6=5×6.6=33
=75.3×(99+1)=75.3×100=7530
=4.6×3.7+5.4×10×0.37
=4.6×3.7+5.4×3.7
=3.7×(4.6+5.4)=3.7×10=37
=0.125×0.75+0.125×8.25+0.125
=0.125×(0.75+8.25+1)
=0.125×10=1.25
=2×2.5×6.6=5×6.6=33
=75.3×(99+1)=75.3×100=7530
=4.6×3.7+5.4×10×0.37
=4.6×3.7+5.4×3.7
=3.7×(4.6+5.4)=3.7×10=37
=0.125×0.75+0.125×8.25+0.125
=0.125×(0.75+8.25+1)
=0.125×10=1.25
追答
=11又7/8 - (6又1/3+1又2/3)
=11又7/8 - 8=3又7/8
=15又3/14 - (4.25+5.75)
=15又3/14 - 10
=5又3/14
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