一 、脱 式 计 算 。 16 +23 ×37 421 ×92 -45 ×56 (56 -512 )× 36 13 × (83 -56 ) (13+19 )×913 6613 × 12+6613 5356 × 57 517 +517 × 16 65 ×215 +215 ÷45 83 ×(13 -821 ×816 ) 910 ×11-910 57 ×14 +34 ×57 13 +47 +23 +17 45 ×38 ×59 101×17 -17 647 ×48 17 ×34×7×217 2325 ×1617 +1625 ×117 151653 35183259 5425915 53523 5121101 4152152 57535 87748773 91929197 652053 1259412595 623763 31 ÷76 +32 ÷76 895341 4320153 654132 412185 136717138 1258121 135717138 441421 74435154 613276145 (169 +271 ) × 23+7125 815 ×34 -16 ÷ 12 54 ×56 +16 ×54 32.6×45 + 32.6×0.2 57 ×16 +27 ÷6 465×463464 18 ×34 +18 ×14 127 - (57 +12 ) [1-(14 +38 )]÷41 18 ×58+18 ×42 45 ×47 ×54 -13 59 ×6+49 ÷16 180÷2.5÷4 16365983 9798411 109329712 32326141 4365143 314161711 32981438343 52593145 5230753307 5285203101 415225685 109312165 8949581 957521 7254215 3105431054 96- 3.2×0.5+0.4 9.6÷(9.6×4) 2.08×(9.6÷2.4)÷4.8 78×0.69+1.2×6.9+6.9 0.78÷0.25×4 6553321 83818387 13492641 125 ×257 ×143 97 ÷21 ÷3635 53 ×98 ÷85 551 ÷71 +5554 ×7 (13+1513 )÷13 75 ×98 ÷215 ×3 2.6×1.9÷2.6×1.9 3)51158(32)]4121(1[ 17.64÷4.9+6.73 3.4÷[(1.2+0.5)×5] 0.25×12.5×3.2 656561 54351 6 1 11 2831 11 287 1 584.13)( 218.0322 5.1 35)6545(1 2- 9574 +9573 1 4)2171...