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怎样计算简单就怎样算:(47-314)÷128 0.5×2.5×12.5×64.

编辑:chaxungu时间:2026-04-27 13:18:16分类:小学数学题库

怎样计算简单就怎样算:
(
4
7
-
3
14
)÷
1
28

0.5×2.5×12.5×64.(1)(
4
7
-
3
14
)÷
1
28
,
=(
4
7
-
3
14
)×28,
=
4
7
×28-
3
14
×28,
=16-6,
=10;

(2)0.5×2.5×12.5×64,
=0.5×2.5×12.5×4×2×8,
=(0.5×2)×(2.5×4)×(12.5×8),
=1×10×100,
=1000.