A.0.99+6.88>7.87 | B.44000000=4400万 |
C.1411780000≈14亿 | D.9.9+3-3.8<10 |
A.3.7 | B.6.3 | C.2.7 |
A.6.74-3.26+1.74 | B.6.74-1.74+3.26 |
C.6.74-1.74-3.26 | D.6.74+1.74+3.26 |
A.a-b×c | B.6.5-3.2-2.4 | C.☆÷●×△ |
A.3-0.5-0.6 | B.3-0.5+0.6 | C.3+0.5-0.6 | D.3+0.5+0.6 |
A.53.72-20.72+12.9 | B.53.72-20.72-12.9 | C.53.72+20.72-12.9 |
A.88×125=(80+8)×125 | B.123.6-42.8+57.2=123.6-(42.8+57.2) |
C.350÷14=350÷7÷2 | D.12.8-(12-7.2)=12.8-12+7.2 |
A. | B. | C. | D. |
A.11.42-7.5+2.35 | B.11.42+7.5-2.35 | C.11.42+7.5+2.35 |
A.0.2 | B.0.3 | C.0.4 | D.0.5 |