
(1) 1 8 ×5.3+0.125×5.7-1÷8 (2) (8.8-3 5 11 -2 6 11 )×1 9
(1)18×5.3+0.125×5.7-1÷8(2)(8.8-3511-2611)×1914(3)46×1745....
(1) 1 8 ×5.3+0.125×5.7-1÷8 (2) (8.8-3 5 11 -2 6 11 )×1 9 14 (3) 46× 17 45 .
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(1)
=0.125×5.3+0.125×5.7-0.125, =0.125×(5.3+5.7-1), =0.125×10, =1.25; (2) (8.8-3
=[8.8-(3
=[8.8-6]×1
=2.8×1
=4.6; (3) 46×
=(45+1)×
=45×
=17+
=17
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