无
*注意事项:
125+75= 361-98= 25×44= 540÷9=
1.37+0.63= 1.45-0.25= 4.3×5= 7.2÷0.9=
+ = 2- = × = 15÷ =
0.52= 6×20%= 19×198≈ 421÷69≈
①37.8÷25÷4
②3.84+4.6+5.16
③2.4÷ ×
④
⑤63.5×25%+0.25×36.5
⑥
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