综合套题十
26.4 × 100 =	86.9 + 74.3 =	48 ×125 =
3.8 ÷ 1000 =	70.1 + 19 =	80 ÷ 1000 =
99 +632 =	8.1 - 3.9 =	30 - 5.67 =
450 - 80 =	600 ÷ 25 =	7.61 × 1000 =
2、简便计算
25 × ( 800 + 4 )	9000 ÷ 8 ÷ 125	776 + 776 × 99
125 × (8 × 57 )	188 + 354 + 512 + 559 + 446	869 - (433 + 169 )
3、四则运算与灵活运用
7.96 - 2.8 + 0.04	1755 ÷ 13 ÷ 9 + 236	630 ÷ 45
(80 ÷ 2 + 657) × 7	( 335 + 320 ) ÷ 5	9.55 + 9.53 - 3.44
923 - 683 + 689	5×[357÷(58-51)+339]	25 × 44