口算30×0.5=

口算30×0.5= 0.36÷3= 2.05×5= 2.16+3.84= 82= 10-3.3= 2.5×4= 6÷5=
2025-12-15 06:57:37
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回答1:

解:30×0.5=15, 0.36÷3=0.12, 2.05×5=10.25, 2.16+3.84=6,
82=64, 10-3.3=6.7, 2.5×4=10, 6÷5=1.2.