①
②6-4.92=
③25×0.7×4=
④+0.5=
⑤3-=
⑥6.3÷0.21=
⑦1-1÷=
⑧(0.6-)×16=
3.87+1.02=
4.2×=
35.35÷35=
×=
3.5×0.1=
0.25×39×4=
15×2%=
÷=
125.02×7.98≈
÷27×0=
0.24×50=
1÷×=
0.2- 0.1=
7×÷7×=
0.3÷= 5-= ×12= (4.2+)×2×0=
3.7+5= 300×0.3%= ×= 3×1+3×=
103×30=
6×0.15=
280÷42≈
0.05÷5%=
3.6-60%=
0÷=
72÷=
×3= × = 0×( - )= 15÷ =
1- + = 8.1+ = ( + )×24= 1.25×8=