8.4+2= | 32.1÷10= | 65.2-5= | 0.3×0.7= |
2.8÷100= | 8×1.5= | 0.45×20= | 2.6+6.8= |
15.4×10÷100= | 0.25×30×4= |
2.3,3.6,4.9,,。
2.58+3.95= 107-10.7= 46×0.18= 0.64×1.7=
200×50= | 560+0= | 8×125= | 500×60= |
25×400= | 7.47-5.2= | 9.3+4.5= | 180万+13万= |
640÷8= | 5.3+7= | 6-2.5= | 63亿-20亿= |
308×60= *698×12= *8.6-4.7=