estimate. a. 215+436 b. 1238+4298 c. 15409+3288 d. 618+561+372 e. 869-341 f. 8565-4341 g. 1048-692 h. 78432-71496
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3
Answer:
a.215+436=
215=220
436=440
220+440=660
Answered by
1
Answer:
a. 651 b. 5527 c. 18697 d. 1552 e. 528 f. 4224 g. 356 h. 6936
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