专项练习-【勤径小学升】2023-2024学年四年级数学上册同步口算（北师大版）

专项练习 第1课时 口算乘除法 15×8= 60×25= 30×24= 9×21= 307×5= 204×20= 30×15= 40×25= 50×14= 502×8= 207×9= 201×5= 11×45= 40×71= 102×7= 30×26= 24×10= 80×11= 22×7= 150×8= 6×12= 24×8= 45×5= 14×7= 205×50= 125×20= 17×20= 3×105= 129÷3= 640÷32= 183÷3= 127+121÷11= 164÷4= 180÷15= 369÷9= (49+91)÷70= 280÷14= 636÷12= 744÷6= (108+162)÷90= 850÷50= 258÷6= 144÷12= (121+44)÷11= 93÷31= 207÷3= 1600÷20= (24+24)÷4= 1200÷40= 2400÷50= 2220÷30= (250+25)÷25= 425÷25= 520÷40= 2760÷60= (54+81)÷9= 333÷3= 255÷5= 500÷4= (33+23)÷7= 四年级·北师版·上册 73 慧日华回·任点印 bL =÷(9z+忆) =9÷9L =06÷0861 =b÷t9 =0t÷(9L+8)】 =忆÷9Z =09÷09SI =b÷889 =9÷(8b+81) =0E÷08L =乙9÷忆1 =0Z÷0L =II÷(LE-L8S) =06÷0L7 =0t÷0008 =0S÷0001 =0b÷(忆-98) =0E÷0tS =61÷061 =06÷0081 =S÷(Et-EtS) =II÷L8I =09×099 =SE÷00L =0b÷(09E+0t忆) =0z÷00I =b÷0巾1 =0Z÷0tE =b×9E =Z×t =S×ZE =bx忆 =09×EI =0S×ET =S×EI =9×1 =0z×09 =S×帅 =L×S7 =L×67 =ヤ×0ZE =8×0L =S×0z1 =90Z×L =0b×SZ =0元×b =乙1×97 =1×0Z =9zI×S =Z乙×9 =008×S7 =001×9 =乙×0S9 =08×L1 =9I×S7 =08×8E =C0I×b =ヤ×099 =b×0IE =6×SI 第2课时笔算 乘法 75×157= 357×14= 257×21= 54×198= 162×35= 410×25= 47×136= 221×32= 217×213= 932×44= 22×301= 602×17= 843×69= 612×19= 538×82= 433×12= 445×18= 214×16= 424×17= 476×16= 171×13= 484×17= 246×16= 144×12= 四年级·北师版·上册 75 513×24= 16×232= 234×12= 572×17= 231×16= 453×18= 315×14= 242×18= 394×16= 353×14= 264×18= 34×433= 434×16= 343×12= 264×15= 142×66= 243×19= 292×16= 244×38= 349×12= 195×14= 29×423= 264×16= 138×12= 769 小学升·同步口算 第3课时笔算 运算律 12×11-12×6= 24×17-24×7= 22×12-12×2= 6×17+68= 17×22-44= 9×16-64= 2×5+18×5= 8×13+7×8= 12×3+18×3= 114+224+86= 66+76+34= 100-23-27= 9×8+8×21= 11×13+9×13= 17×28+2×11= 8×19+38= 9×12-48= 16×14-160= 6×5+14×5= 2×6+6×18= 3×24+17×24= 3×5×8= 8×2×5= 6×9×5= 65×12-5×12= 17×18-17×8= 24×16-4×16= 四年级·北师版·上册 77 慧口平回·点 8L =乙I×SL+ZI×SZ =8乙×忆+乙乙×乙 =忆×EZ+Z×LI =8E×乙+乙I×乙 =SI×8I+乙I×SI =S×Z×0I =b×￡×乙 =9I×8乙+9I×ZE =S×b×Z7 =S×b×ZE =乙I×9I+乙I×乙 =b×9×SZ =S×b×87 =S×b×91 =S×￡×bI =b×9L+b×乙 =b×8I×SZ =S×EIxt忆 =bL×6I+1×IE =9I×9E+9I×b1 =乙乙×II+Z乙×6I =8I×S7+81×SE =乙I×9E+乙I×t =EI×9Z+E1×t忆 =乙×I+91×乙 =9I×9t+91×tS =I×8E+I×ZZ 第4课时笔算 除