脱式计算0.24×6.5÷0.375(1﹣0.375)×(36÷0.75)[200×(3.2+1.1)]÷2521.28﹣21.28÷7×3
77+93= 15×1-7= 39-100÷10= 99-77= 23-3×7= 35-35÷5=
45+28= 5×6-18= 38-0÷5= 98-23= 100-10×10= 67+10÷5=
33+67= 5×6-0= 59-0÷10= 56-0= 9-9×0= 25+40÷5=
48+43= 10×6-19= 90-90÷9= 65-49= 73-8×9= 65+45÷5=
32+78= 9×2-9= 26-54÷9= 76-47= 45-2×9= 33+35÷5=