A.15.84 | B.15.85 | C.15.79 |
3.8×10= | 6.4÷100= | 1﹣0.09= | 9.7﹣0.97= | 1.25×0.4÷1.25×0.4= |
1.07+8.3= | 4.5×0.2= | 0.49÷0.7= | 1÷1.25= | 6x+3.5x﹣3.5x= |
70÷3.5+4.5×1.6 | 7.75×[20÷(3.24﹣3.04)] | 1.25×3.2×0.25 |
0.25+1.4+0.75﹣0.4 | 8.4÷6+1.6÷4 | 2.74×9.5+0.5×2.74 |
A.19.8 | B.19.80 | C.19.81 |
A.a×0.8 | B.a÷0.8 | C.a÷1 | D.a×0 |