看谁都能口算对. 70÷7= | 4×60= | 58+37= | 85-68= | 13÷3= |
1200-400= | 9÷9= | 45+65= | 64-18= | 80×4= |
16÷2= | 2000+300= | 83-8= | 150-90= | 19+36= |
6÷2= | 52+38= | 54-38= | 6÷3= | 83÷9= |
看谁都能口算对. 70÷7= | 4×60= | 58+37= | 85-68= | 13÷3= |
1200-400= | 9÷9= | 45+65= | 64-18= | 80×4= |
16÷2= | 2000+300= | 83-8= | 150-90= | 19+36= |
6÷2= | 52+38= | 54-38= | 6÷3= | 83÷9= |