4.5÷0.5=
9.8+0.2=
0.7×0.8=
1.29+2.11+7.6=
3.6立方米+200立方分米=______立方米
3千克﹣2000克=克
2.1÷ = × = 52×79≈ 2.5×7.8×0.4=
72﹣3.5+28﹣6.5
22.3×4÷22.3×4
24×(+)
﹣×
24×(-+) ÷[×(-)]
①3.86+19.7+6.14
② + ÷
③28.26÷3.14×1.2
④ × ﹣ ÷
1000999 0.3
× 13.07×1.0113.07÷1.01
□○□=□( )
扁肉
大碗5. 5元/碗
小碗3. 5元/碗
生扁肉
22. 5元/200g
30元/500g
1÷0.25= 15×60= 72×25%=
1.1-0.01= 12÷ =
24×( )=