五分钟内做完
7×8+12= 3×9+24= 3×4+10= 4×4+5=
6×9-27= 83×4+8= 58+29-35= 37-19+28= 46+22-59= 35+18-46=
5×6-28= 45×4+7= 4×9-28= 36×6+32= 1×1+3= 2×5-8= 12×7+2= ×8-57= 45×1+9= ×4-16= 23×6+6= ×9-8= 7×9-4= 53×5+3= ×5-15= 34×2+6= ×9-9= 92×9+9= ×6-15= 82×3+2= ×8-25= 63×6+4= ×3-7=
5×3+9=
×9-18=
5×4+7=
×9-7=
2×4+2=
×8-8=
6×3+3=
五分钟内做完
6×4+3= 6×5+3= 6×2+8= 4×5+5=
4×9-25= 54×6+5= 7×7-26= 85×5+6= 4×4-9= 51×8+3= 27+29-35= 38-19+78= 56+22-69= 75+18-46=
2×8-9= 33×6+4= ×5-8= 64×2+9= ×8-37= 95×4+7= ×5-18= 31×7+6= ×9-12= 22×8+4= ×9-26= 84×5+8 ×9-48= 65×9+6= ×3-6= 53×9+3= ×7-8= 62×7+8= ×3-5=
5×3+6=
×6-15=
1×9+2=
×7-35=
3×4+10=
×5-29=
2×6+9=
五分钟内做完
8×6+23= 5×9+18= 4×7+18= 3×8+27=
5×6+40= 64×7+25= 848-5×7= 59-415+5×6= 26+335-6×4= 75-869+5×3= 78+412-3×2= 18-43×7+18= 288+9-62= 37+19-28= 46-22+59= 35+18+46=
×9+23= ×8+16= 3×9= 32-3×9= 15+7×9= 25-3×4= 26+8×4= 33-5×9+46= 62×8+32= 5×5+29= 6×3= 69-8×4= 46+7×7= 89-8×8= 95+1×3= 45-6×8+45= 7×7+9=
×6+19=
×8=
×7=
×9=
×5=
×7=
×7+15=
五分钟内做完
8×9+23= 5×9+36= 4×9+18= 8×8+27=
40-5×6= 4×7+55= 748-5×9= 77-415+5×9= 26+673-6×4= 75-439+5×3= 88+222-3×2= 18-33×7+68= 468-9-52= 47+19+21= 56-27+59= 95-18-46=
×9= 32-×8+16= 5×9= 32-3×9= 25+7×9= 95-3×4= 16+9×4= 33-5×9+46= 82×8= 64-5×5+29= 6×9= 69-7×4= 23+7×7= 99-8×8= 48+1×5= 65-6×8+35= 7×7=
×7+19=
×8=
×7=
×9=
×5=
×7=
×7+26=
93-6五分钟内做完
8×7+23= 5×7+36= 4×6+18= 8×3+27=
40-6×6= 4×9+55= 848-3×9= 77-426+5×9= 37+633-4×4= 75-649+5×3= 78+422-6×2= 18-17×7+28= 752-37+28= 77-19+21= 53-37+19= 14+18+46=
×9= 45-×8+16= 5×8= 32-3×9= 45+7×9= 95-7×4= 16+6×4= 36-5×9+28= 32×8= 54-5×6+29= 7×6= 59-7×4= 29+7×7= 99-9×8= 48+2×7= 65-7×8+35= 6×7=
×7+29=
×8=
×7=
×9=
×8=
×7=
×9+26=
93-7