题目内容

简算
546-127-37376+141+59+124645-180-245
38×99+383000÷125÷8175×56+25×56.
①546-127-373
=546-(127+373)
=546-500
=46

②76+141+59+124
=(76+124)+(141+59)
=200+200
=400

③645-180-245
=645-245-180
=400-180
=220


④38×99+38
=38×(99+1)
=38×100
=3800

⑤3000÷125÷8
=3000÷(125×8)
=3000÷1000
=3

⑥175×56+25×56
=56×(175+25)
=56×200
=11200
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