4.7*8.3+5.2*8.3+0.83 怎样简算
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4.7*8.3+5.2*8.3+0.83怎样简算4.7*8.3+5.2*8.3+0.83怎样简算4.7*8.3+5.2*8.3+0.83怎样简算4.7*8.3+5.2*8.3+0.83=4.7*8.3
4.7*8.3+5.2*8.3+0.83 怎样简算
4.7*8.3+5.2*8.3+0.83 怎样简算
4.7*8.3+5.2*8.3+0.83 怎样简算
4.7*8.3+5.2*8.3+0.83
=4.7*8.3+5.2*8.3+0.1*8.3
=(4.7+5.2+0.1)*8.3
=10*8.3
=83
4.7*8.3+5.2*8.3+0.83
=4.7*8.3+5.2*8.3+0.1*8.3
=8.3*(4.7+5.2+0.1)
=8.3*10
=83
4.7*8.3+5.2*8.3+0.1×8.3
=(4.7+5.2+0.1)*8.3
=10*8.3
=83
4.7*8.3+5.2*8.3+0.83 怎样简算
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