0.6×8÷0.6×8=4.8÷4.8=1.
×
×
.(判斷對錯)
分析:0.6×8÷0.6×8,只含有乘除法,按照從左向右的順序求出結果,然后再進一步解答.
解答:解:0.6×8÷0.6×8
=4.8÷0.6×8
=8×8
=64.
故答案為:×.
點評:只含有一級運算的,按照從左向右的順序進行計算.
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下面的簡便計算對嗎?把不對的改正過來.
(1)1.25×(8+0.8)改正:
1.25×(8+0.8)
=1.25×8+1.25×0.8,
=10+1,
=11.
1.25×(8+0.8)
=1.25×8+1.25×0.8,
=10+1,
=11.

=1.25×8+0.8
=l0+0.8
=l0.8
×
×

(2)125×4.8×2.5    改正:
125×4.8×2.5
=(125×0.8)×(6×2.5),
=100×15,
=1500.
125×4.8×2.5
=(125×0.8)×(6×2.5),
=100×15,
=1500.

=125×0.8+4×2.5
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