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電子課本網(wǎng) 第11頁(yè)

第11頁(yè)

信息發(fā)布者:
乘除
加減
括號(hào)內(nèi)的
?$=4×\frac {1}{2}×2×2$?
?$=8$?
?$=36×\frac {1}{4}×\frac {1}{4}×\frac {2}{3}$?
?$=\frac {3}{2}$?
?$=35×\frac {8}{5}×\frac {3}{4}×\frac {3}{2}$?
?$=63$?
?$=-\frac {5}{2}×\frac {16}{5}×8×\frac {1}{4}$?
?$=-\frac {1}{4}$?
?$=-12-(-4)$?
?$=-8$?
?$=-66×4-2.5÷0.1$?
?$=-264-25$?
?$=-289$?
?$=-6-30$?
?$=-36$?
?$=\frac {6}{5}×2/ 3+\frac {3}{4}×\frac {8}{5}$?
?$=\frac {4}{5}+\frac {6}{5}$?
?$=2$?
?$=(-35-\frac {7}{11})×\frac {1}{7}$?
?$=-35×\frac {1}{7}-\frac {7}{11}×\frac {1}{7}$?
?$=-5-\frac {1}{11}$?
?$=-5 \frac {1}{11}$?
?$=(\frac {1}{7}+\frac {1}{3}-\frac {1}{5})×(-105)$?
?$=-\frac {1}{7}×105-\frac {1}{3}×105+\frac {1}{5}×105$?
?$=-15-35+21$?
?$=-29$?