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口算.46+34=72-28=800×5=5000+200=32×2=96÷3=80÷4=7

2022-08-14 02:28:08 问答库 阅读 200 次

问题详情

口算.
46+34=72-28=800×5=5000+200=

32×2=96÷3=80÷4=7700-700=

64÷2=27+45=85-78=1400-600=

2

5

+1

5

=4

7

-1

7

=3

8

+4

8

=9

10

-6

10

=

参考答案

46+34=80,72-28=44,800×5=4000,5000+200=5200,32×2=64,96÷3=32,80÷4=20,7700-700=7000,64÷2=32,27+45=72,85-78=7,1400-600=800,25+15=3547-17=3738+48=78910-610=310

考点:口算