683-153-47 480-54-136
763-246-54-63 4167-(803+ 167+ 197)
2.5×20=
9.7-7=
91÷1000=
1-0.37=
125×0.08=
0.5+1.04=
65.8×100=
2.6吨+400千克=
86+99= 25×32= 356-99= 0÷39=
500×2= 6300÷21= 257-57= 1÷100=
24-24÷12= 40-30÷5= 31×99+31= 64÷(4×4)=
3.4+5.9= 2.8-2= 2.4+4.2=
10-0.9= 4.6+6.4= 9.6-7.8=
50÷4×5(50+4)×5 72-24÷12(72-24)÷12
153-46-34153-(46+34) 540÷9÷5540÷(9×5)