(1)1125﹣997 (2)12
﹣(1
+2
) (3)(
﹣
)×12
(4)4.35+4.25+3.65+3.75 (5)17
﹣3
﹣4
(6)22.3﹣2.45﹣5.3﹣4.55
(7)187.7×11﹣187.7 (8)998+1246 (9)400÷125÷8
(10)1
×2
×
(11)34×(2+
) (12)3.4×99+3.4
(13)
÷2
+
×
(14)(
+
+
)×72 (15)43
×
+57.125×
﹣0.5
(16)4
+3.2+5
+6.8 (17)25×(37×8) (18)125×8.8
(19)17.15﹣8.47﹣1.53 (20)0.125×0.25×32 (21)4.25﹣3
﹣(2
﹣1
)
(22)2.42÷
+4.58×
﹣4÷3.
直接写得数
0.1÷0.01= 9600÷800=(
+
)×12=
×8+8×
= 390×0.02=
0.77+0.33= 25+5﹣25+5= 400÷25÷8= 125×8×0= 5﹣1.4﹣1.6=
小数除以小数,商一定小于被除数. .
15÷0.25= 1.5×25= 59×1.8= 2.5×0.4=
24×38= 2.4+1.6= 512÷56= 57×2125=
14÷25%= 32×2.5= .
直接写出得数:
10÷0.25=
1﹣0.1÷0.1=
5+5÷10=
1÷
×8=
0.125×
=
15÷0.25= 1.5×25= 59×1.8= 2.5×0.4= 24×38=
512÷56= 57×2125= 14÷25%= 32×2.5= 2.4+1.6=