综合套题十
163 +38 =	1.3 ÷ 100 =	30 ÷ 1000 =
23.7 × 100 =	32 ×125 =	9.3 + 5.16 =
140 - 50 =	600 ÷ 25 =	2.7 - 1.8 =
1.54 × 1000 =	32.6 + 29.8 =	3.2 - 2.32 =
2、简便计算
941 × 279 + 941 × 721	5.65 + 3.33 + 1.83 + 5.67 + 6.17	125 × (8 × 98 )
19000 ÷ (25 × 19 )	5.15 - 1.74 - 1.26	( 25 + 800 ) × 4
3、四则运算与灵活运用
125 ÷ 25	834 - ( 734 - 939 )	125 × 48 × 25
371 - 273 ÷ 3 + 384	360 ÷ 45	298 - 760 ÷ 19 ÷ 20
3×[4×(89-50) +152]	6.63 + 4.21 - 7.7	833 + 166 - 161