37-0.37X8.28-3.7X0.172(要有过程,而且要简算)

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37-0.37X8.28-3.7X0.172(要有过程,而且要简算)
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37-0.37X8.28-3.7X0.172(要有过程,而且要简算)
37-0.37X8.28-3.7X0.172(要有过程,而且要简算)

37-0.37X8.28-3.7X0.172(要有过程,而且要简算)
37-0.37X8.28-3.7X0.172
=0.37*100-0.37*8.28-0.37*1.72
=0.37*(100-8.28-1.72)
=0.37*90
=33.3

37-0.37X8.28-3.7X0.172
=37-37×0.0828-37×0.0172
=37×(1-0.0828-0.0172)
=37×0.9
=33.3

=0.37*100-0.37*8.28-0.37*1.72
=0.37*(100-(8.28+1.72))
=0.37*90
=33.3