综合套题十
6.3 - 2.6 =	4 ×25 =	5.83 × 1000 =
1.3 + 2.66 =	9.2 ÷ 100 =	32.9 + 70.5 =
40 ÷ 1000 =	810 - 50 =	7000 ÷ 50 =
198 +58 =	23.3 × 100 =	70 - 7.84 =
2、简便计算
104 × 14	47000 ÷ (125 × 47 )	621 + 521 + 179 + 583 + 179
99 × 406 + 406	945 - (278 + 145 )	25 × (4 × 61 )
3、四则运算与灵活运用
1458 ÷ 87 × 29	525 ÷ 25	5591 - (891 + 838 )
5×[712÷(97-89)+410]	859 - 149 - 659	9 - 3.82 + 9.71
704 - 54 × 7 + 411	270 - 448 ÷ 7 ÷ 16	3879 - 453 - 579 - 247