直接写出得数. 138+17= | 83-57= | 4708-999= | 402×5= | 20×500= |
320÷80= | 15.7+3= | 10.9+1.09= | 1-0.09= | 0.9-0.26= |
4×3.14= | 3.25×4= | 6.4÷0.8= | 0.48÷0.03= | += |
+= | ×4= | ×= | 24÷= | +÷+= |
直接写出得数. 138+17= | 83-57= | 4708-999= | 402×5= | 20×500= |
320÷80= | 15.7+3= | 10.9+1.09= | 1-0.09= | 0.9-0.26= |
4×3.14= | 3.25×4= | 6.4÷0.8= | 0.48÷0.03= | += |
+= | ×4= | ×= | 24÷= | +÷+= |