口算:(1)0.1×0.1=(2)0.24×0.5=(3)5.4+3.6=(4)1.25-0.25=(5)6.45×0.01=(6)0×0.78=(7)2
口算:(1)0.1×0.1=(2)0.24×0.5=(3)5.4+3.6=(4)1.25-0.25=(5)6.45×0.01=(6)0×0.78=(7)2.5×8=(8)...
口算:(1)0.1×0.1=(2)0.24×0.5=(3)5.4+3.6=(4)1.25-0.25=(5)6.45×0.01=(6)0×0.78=(7)2.5×8=(8)25×0.4=(9)99.9+1=(10)0.05×4=(11)0.3×0.9=(12)100×0.2=(13)5.8×5=(14)0.8×2.5=(15)0.125×4=(16)8.5×7=(17)0.5×0.6=(18)1.25-0.3=
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(1)0.1×0.1=0.01 | (2)0.24×0.5=0.12 | (3)5.4+3.6=9 |
(4)1.25-0.25=1 | (5)6.45×0.01=0.0645 | (6)0×0.78=0 |
(7)2.5×8=20 | (8)25×0.4=10 | (9)99.9+1=100.9 |
(10)0.05×4=0.2 | (11)0.3×0.9=0.27 | (12)100×0.2=20 |
(13)5.8×5=29 | (14)0.8×2.5=2 | (15)0.125×4=0.5 |
(16)8.5×7=59.5 | (17)0.5×0.6=0.3 | (18)1.25-0.3=0.95 |
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