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题型:填空题 题类:常考题 难易度:容易
分数乘加、乘减混合运算(不含带分数) 7634 10
一根绳长12米,截去 ,再接上 米,这根绳仍是12米.
322-199= 1.87+5.13= 2.5×2.4= × ÷ × =
( ): = ÷ = -( - )=
0.32-0.23= 4.9×8.1≈ 23.9÷8≈
6× = 2.4× = 6÷ = ÷0.5=
÷2= 0× = × = × ÷ × =
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