413+3.2+523+6.8=25×(8×0.4)×1.25=7415-(2415-123)=(1112+718+524)×72=93.5÷312÷2716÷2.5=.-数学
题文
4
25×(8×0.4)×1.25= 7
(
93.5÷3
16÷2.5=. |
答案
(1)4
=4
=(4
=10+10, =20; (2)25×(8×0.4)×1.25, =(25×0.4)×(8×1.25), =10×10, =100; (3)7
=7
=5+
=5 |
题文
4
25×(8×0.4)×1.25= 7
(
93.5÷3
16÷2.5=. |
答案
(1)4
=4
=(4
=10+10, =20; (2)25×(8×0.4)×1.25, =(25×0.4)×(8×1.25), =10×10, =100; (3)7
=7
=5+
=5 |