题目内容
口算
(1) 58+62= (2) 810×7=
(3) 8×7+5= (4) 24×8=
(1)58亿+26亿= (2)0÷372=
(3)82亿-55亿= (4)0-0=
(1)58+30+6=
(2)76-40-8=