(1)40+50+60+70+80=60×______.(2)120+130+140+150+160=______×______.(3)395-25-75=______-(2
(1)40+50+60+70+80=60×______.(2)120+130+140+150+160=______×______.(3)395-25-75=______-...
(1)40+50+60+70+80=60×______.(2)120+130+140+150+160=______×______.(3)395-25-75=______-(25+75)(4)800÷25÷4=______÷(25×4)
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