(清原县)计算,能简算的要简算.①36×101 ②239×7.2+956×8.2③24×(++)④3.7×0.58+6.3×0.58.
10-3= 10-2= 5-2= 7-3= 6-4= 8-4=
5-5= 6-1= 7-3=8-5= 4-2= 9-7=
算一算。3+3= 5+2= 3+6= 0+7= 4+6= 3+4=4+5= 8+2= 5+5=
算一算。2+3= 5+4= 1+4= 6+2= 4+0= 5+2=3+7= 4+2= 5+4=