简算题:(37+15)*85+1360

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简算题:(37+15)*85+1360
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简算题:(37+15)*85+1360
简算题:(37+15)*85+1360

简算题:(37+15)*85+1360
=52×85+1360
=50×85+50×2+1360
=4250+100+1360
=4350+1360
=5710

=52*85+1360=(50+2)*85+1360=4250+170+1360=5780

=52×85+1360
=50×85+50×2+1360
=4250+100+1360
=4350+1360
=5710