9.下面各式不是方程的是( )
A. | 5x=3.8 | B. | 2.8-4x=0 | C. | 6.2x+0.8x |
4.
0 161333 161341 161347 161351 161357 161359 161363 161369 161371 161377 161383 161387 161389 161393 161399 161401 161407 161411 161413 161417 161419 161423 161425 161427 161428 161429 161431 161432 161433 161435 161437 161441 161443 161447 161449 161453 161459 161461 161467 161471 161473 161477 161483 161489 161491 161497 161501 161503 161509 161513 161519 161527 199269
直接写出得数 7.98+0.3= | 5-2.6= | 1.4×0.5= | 3.2÷0.16= |
1÷0.25= | 0.7×0.4= | 0.84÷2.1= | 0.25×16= |
(2.5+0.9)×0.4= | 0.15÷0.15-0.1= | 0.3×0.3÷0.3= | 0.45÷0.5÷2= |
1.2÷4×1.2÷4= | 0.75×0.8+0.5×0.8= |