1 + 3 = 3.

2 + 5 = 5.

2 + 4 = 6.

1 + 8 = 10.

Chọn phép tính đúng trong các phép tính dưới đây?

4 + 1.

2 + 4.

2 + 7.

1 + 9.

Phép tính nào dưới đây có kết quả bé nhất?

&gt;

&lt;

=

Điền dấu thích hợp vào ô trống:<span style="overflow: hidden; display: inline-block; margin: 0.00px 0.00px; border: 0.00px solid #000000; transform: rotate(0.00rad) translateZ(0px); -webkit-transform: rotate(0.00rad) translateZ(0px); width: 113.50px; height: 37.12px;"><img alt="" src="data:image/jpeg;charset=utf-8;base64,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" style="width: 113.50px; height: 37.12px; margin-left: 0.00px; margin-top: 0.00px; transform: rotate(0.00rad) translateZ(0px); -webkit-transform: rotate(0.00rad) translateZ(0px);" title="">

7.

8.

9.

Điền số thích hợp vào dấu hỏi chấm:<span style="overflow: hidden; display: inline-block; margin: 0.00px 0.00px; border: 0.00px solid #000000; transform: rotate(0.00rad) translateZ(0px); -webkit-transform: rotate(0.00rad) translateZ(0px); width: 172.67px; height: 36.27px;"><img alt="" src="data:image/jpeg;charset=utf-8;base64,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" style="width: 172.67px; height: 36.27px; margin-left: 0.00px; margin-top: 0.00px; transform: rotate(0.00rad) translateZ(0px); -webkit-transform: rotate(0.00rad) translateZ(0px);" title="">

1 – B; 2 – C; 3 – A.

1 – C; 2 – B; 3 – A.

1 – C; 2 – A; 3 – B.

Bài tập củng cố

https://imgix3.ruangguru.com/assets/miscellaneous/ton20120infor20top20220sub201.png_iyhgil_5391.png_zgpff0_1293.png