×=24 ÷=5
×3=27 ÷8=6
7×2=
5×5=
4×5=
8×2=
5×2=
2×9=
8×5=
5×6=
3×2=
2×4=
①16+26+35=
②28+41-30=
③98-27+14=
④100-45-17=
1÷0.25= +1 = ×24= + =
400×0.02= 10÷ = 6 ×0= 3× ﹣ ×3=