3004kg3.04t 123-68+△123-(68+△)( △>0)
750cm7.5m 125×25×4×8125×8+25×4
448÷28= 448÷16= 。
0.32+10= | 3.4-0.9= | 4.37×10= | 700+(175×2)= |
10-2.18= | 6-0÷6= | 3.45+2.65= | 2×9+2×9= |
①1700÷25÷4 ②273-(273-168) ③241×48-48×116
④19.3+8.26+5.74 ⑤15.6-4.13+3.87 ⑥810÷[81+(56-29]