980÷70=
1÷0.01=
10-1.25=
6.3×10%=
16×0.25=
1÷3×=
0.9+99×0.9=
1-0.6=
0.9÷0.1=
0.01×10=
0.52=
8a+0.6a=
5.61+3.44= 80×12.5%= ( )-56=364 7.28-(1.28+0.25)=
+ = : = 8.76÷30×0× = 2÷ - ÷2=
22.5+2.25= 6.4×25%= 9.3÷0.03= 1÷×= 1-1÷9=
50÷10%= 2.01-1.21= 1-÷= 1÷0.875= 0.32-0.22=
1+25%= 36%÷3= 1÷12.5%= 2.5%+2=
1-50%= × = 0÷8 = 1÷ =
①612÷18+780÷30
②2.5×32×12.5
③5÷(0.5+)×
④
⑤()
⑥16×+8×+12÷25
时=分
3020g=kg
680m2=hm2