计算,能简算的要简算.
①36.25×101﹣36.25 ②
﹣(
﹣
)+
③36×
+36×
④0.75﹣
+
⑤
﹣(
+
) ⑥3
+0.6+0.625+
.
直接写出下面各题的得数.
1.2×0.8=
= 40×0.25= 0.5+1
=
1﹣
= 480÷6= 0÷
= 6.3×
=
直接写出结果.
3÷7= 10÷0.1= 32×12.5%= 8.1÷0.03=
+
= 12﹣
=
×
=
÷
=
直抒胸臆:
0.25×400= 78﹣0.98=
+0.5=
÷
=
×1.2= 568﹣198= 10÷1%=
÷
=
口算
0.6+0.15= 4×50%= 5﹣0.25+0.75= 2.5×4÷2.5×4=
0.5÷
=
÷1= 5.47﹣1.8﹣3.2=(
+
)×63=
口算.
(1)7.2+2.08=
(2)
+
=
(3)
÷
=
(4)0÷0.99=
(5)32×0.125=
(6)0.75×3÷
=
(7)
+3.2÷16×4=
(8)
﹣
×
=
(9)0.8÷0.01=
(10)10×
﹣1÷3=
(11)8.4÷0.7=
(12)
×5÷
×5
(13)0.23=