Question

1111乘37+333乘7求简便运算

Answer 1

1111乘37+333乘7
=(1000+111)×37+111×3×7
=37000+111×(37+21)
=37000+111×(60-2)
=37000+6660-222
=37000+6338
=43438

Answer 2

111×37＋333×7
=111×37＋3×111×7
=111×37＋111×21
=111×(37＋21)
=111×58
=111×(60－2)
=6660－222
=6438

Answer 3

Answer 4

1111*37+333*7=1000*37+111*37+111*3*7=37000+111*（37+21）=37000+111*58
=37000+100*58+10*58+1*58
=37000+5800+580+58
=43438

Answer 5

1111×40＋333×10－1111×3－333×3

=44440+3330-3333-999
=47770-3333-999
=44457-999
=43438
41107

Answer 6

直接计算器一按就出来了 还要什么简便计算！！！！！！

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