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口算4×716=45×34=421×716=59-411=59×5=1512-78=57×2

2022-08-14 00:49:08 问答库 阅读 200 次

问题详情

口算
7

16

=4

5

×3

4

=4

21

×7

16

=5

9

-4

11

=5

9

×5=

15

12

-7

8

=5

7

×2.1=11

3

×0.12=11

2

×1

3

=1

2

+2

3

=

7-110

17

=(3

4

+0.25)×10=18×1

3

=11

6

-5

12

=0.125×11

2

×8
=

0.125×2

7

×8
=2.5+11

10

=14

9

×1.8
=3

4

+0.25
=5

6

×1.2
=

参考答案


716=7445×34=35421×716=11259-411=199959×5=2591512-78=132457×2.1=1.5113×0.12=0.16112×13=1212+23=767-11017=571734+0.25)×10=1018×13=6116-512=340.125×112×8=1120.125×27×8=272.5+1110=3.6149×1.8=2.634+0.25=156×1.2=1.

考点:口算