8×4= 9×7= 80-59= 9+76=
3×6= 7×1= 4×5= 35+49=
7×8-8= 4×6+17= 1×8-8= 9×2+9=
乘加算式:
乘减算式:
6×532 7×57×6-7
9×760 3+3+3+34×3
96=54 96=3
288=24 77=35+14