1元3角2分=元
9dm=m
6cm=m
17kg=t
25×16=
1.54+0.38+2.46=
10﹣6.04=
56.7÷100=
6.2﹣3.4=
101×20=
7200÷24=
0.26+0.4=
①*15.64+6.46=
②72×78=
③56﹣27.56=
①4.29﹣0.24+3.71﹣0.76
②450×[356﹣(297+56)]
③666×222+444×667