|
软件简介:
班级 姓名 成绩 一、直接写出得数[计10分] 6×23 = 14 + 38 = 56 × 45 = 3 - 13 = 49 ÷ 89 = 1÷15 = 57 ÷ 57 = 15 - 17 = 27 × 14 = 34 ÷12 = 二、怎样算简便就怎样算[计12分] 18 × 711 + 411 ÷8 23 ÷[ 914 ×( 56 - 49 )] 14 ÷ 8 × 89 ÷ 89 187 - 12 ÷ 34 - 13 三、解方程[计9分] 0.9 x÷5= 1.8 34 + 25 x = 910 7.8 x + 3.2 x = 12.1 |