问题 解答题
简算
546-127-37376+141+59+124645-180-245
38×99+383000÷125÷8175×56+25×56.
答案

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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