43+37-22= 83-35+42= 71-(29+24)=
3×2=
1×1=
4×5=
3×4=
6×4=
5×5=
2×4=
8×8=
7×5=
8×6=
5×6+5=
7×8-3=
26+35= 3×6= 76-24= 2×5=
6×2= 4×9= 53+38= 5角+5角=
7×5= 98-32= 4×5= 8×3=
乘法算式:×=(只)或×=(只)
①36+49=
②84-27=
③80-26=
④27+18+36=
⑤39+(43-16)=
⑥98-(50-27)=