4.7*8.3+5.2*8.3+0.
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4.7*8.3+5.2*8.3+0.
4.7*8.3+5.2*8.3+0.
4.7*8.3+5.2*8.3+0.
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
=(4.7+5.2+0.1)*8.3
=10*8.3
=83
原式=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+8.3×0.1
=(4.7+5.2+0.1)×8.3
=10×8.3
=83
4.7*8.3+5.2*8.3+0.83=(4.7+5.2+0.1)8.3=10*8.3=83
4.7*8.3+5.2*8.3+0.
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