简便计算,求答案,速度,急急急
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96×9+9
=96×(9+1)
=96×10
=960
73.26-(3.26+18)
=(73.26-3.26)-18
=70-18
=52
87×125×8
=87×(125×8)
=87×1000
=87000
(125+40)×8
=125×8+40×8
=1000+320
=1320
21.4-15.32-4.68+4.6
=(21.4+4.6)-(15.32+4.68)
=26-20=6
6.75-2.9-3.1
=6.75-(2.9+3.1)
=6.75-6
=0.75
25×32×125
=25×(4×8)×125
=(25×4)×(8×125)
=100×1000
=100000
99×33
=(100-1)×33
=33×100-33
=3300-33
=3267
=96×(9+1)
=96×10
=960
73.26-(3.26+18)
=(73.26-3.26)-18
=70-18
=52
87×125×8
=87×(125×8)
=87×1000
=87000
(125+40)×8
=125×8+40×8
=1000+320
=1320
21.4-15.32-4.68+4.6
=(21.4+4.6)-(15.32+4.68)
=26-20=6
6.75-2.9-3.1
=6.75-(2.9+3.1)
=6.75-6
=0.75
25×32×125
=25×(4×8)×125
=(25×4)×(8×125)
=100×1000
=100000
99×33
=(100-1)×33
=33×100-33
=3300-33
=3267
展开全部
960 52 87000 1320 5 0.75 100000 3267
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