摘要： 4+1= 1+3= 4-3= 5-2=
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| 2.4÷3= | 5.2÷1.3= | 6.6÷0.3= |
| 6.3÷0.09= | 1.8÷2= | 7.2÷1.2= |
| 2.5÷0.5= | 1.5÷0.25= | 3.2÷4= |
| 5.6÷1.4= | 9.6÷3.2= | 0.64÷1.6= |
×38.3+1.7×计算
|
(1)1 ×3=□ |
(4) □×3=12 |
(7)3 ×7=□ |
(10)3 ×10=□ |
|
(2)2 ×3=□ |
(5) □×3=15 |
(8)3 ×8=□ |
(11)3 ×□=0 |
|
(3)3 ×3=□ |
(6)6 ×3=□ |
(9)3 ×□=27 |