口算:
25×4= | 360÷36= | 0.3÷100= | 120×6= | 58-58= |
1000×0.013= | 48+32= | 84÷4= | 480÷60= | 3-1.4= |
0÷78= | 2.5+0.9= | 8.76-4.27= | 45×20= | 420+28= |
101×28= | 8×9+8= | 125×7×8= | 7×5÷7×5= | 10-2.3-2.7= |
25×4= | 360÷36= | 0.3÷100= | 120×6= | 58-58= |
1000×0.013= | 48+32= | 84÷4= | 480÷60= | 3-1.4= |
0÷78= | 2.5+0.9= | 8.76-4.27= | 45×20= | 420+28= |
101×28= | 8×9+8= | 125×7×8= | 7×5÷7×5= | 10-2.3-2.7= |