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- 2026-04-279连续减去个6.49后得6.49.
- 2026-04-27已知甲.乙两数的和是16.8.甲数是乙数的2倍.乙数是 [ ]A.5.6 B.11.2 C.8.4
- 2026-04-27列竖式计算并验算. (1)8.73+3.26= (2)108-18.57=
- 2026-04-27直接写出得数. 5.1+2.7= 2.8+4.1= 3.6+4.3= 3.9-2.6= 13.3+2.2= 15.4+4.2= 4.5+3.4= 25.7-4.6= 28-0.5= 0.7+1.1=
- 2026-04-27甲数比乙数大2.3.甲数是12.乙数是多少?
- 2026-04-27比17.6多0.542的数是多少?
- 2026-04-27口算. 3.2+1.5= 4.8+2.2= 4.5+2.2= 3.9-2.7= 4.8-3.6= 4.8+6.1= 0.6+0.4= 1.6-0.3= 0.3+0.5= 4.9-0.8= 5.4-3.
- 2026-04-27用竖式计算.并验算. (1)95.34+16.25 = (2)40.2-16.89=