①38.17+0.15+71.83
②6.67+5.2+1.45
③21.33-4.67+8.12
④14.12-7.42-5.58
⑤14.6-3.98+5.4-0.02
⑥17.65-(0.65+9.9)
①827-156-44
②45×99
③3.3+6.4+2.7+4.6
④5600÷25÷4
⑤81+9×91
⑥21×[(75+153)÷38]
+= ﹣= 3.5×= 2÷0.5=
①69×101
②18.5-4.6-5.4
③2.5÷
④
⑤